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11 Incredible Stephen Hawking Quotes

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When Stephen Hawking was diagnosed with motor neurone disease at age 21, doctors thought he'd only survive a few more years. But the theoretical physicist defied the odds: Today is Hawking's 75th birthday. Here are 11 quotes from the director of research and founder of the Centre for Theoretical Cosmology at Cambridge and author of A Brief History of Time

1. ON HIS SCHOOLING

"At school, I was never more than about halfway up the class. It was a very bright class. My classwork was very untidy, and my handwriting was the despair of my teachers. But my classmates gave me the nickname Einstein, so presumably they saw signs of something better. When I was twelve, one of my friends bet another friend a bag of sweets that I would never come to anything. I don't know if this bet was ever settled, and if so, which way it was decided."

— From the lecture "My Brief History," 2010

2. ON ALIEN LIFE

"If aliens visit us, the outcome would be much as when Columbus landed in America, which didn't turn out well for the Native Americans. We only have to look at ourselves to see how intelligent life might develop into something we wouldn't want to meet."

— From Into the Universe with Stephen Hawking, 2010

3. ON THE EUREKA MOMENT SCIENTIFIC DISCOVERY

“I wouldn’t compare it to sex, but it lasts longer.”

— From a lecture at Arizona State University, April 2011

4. ON DISABILITIES

"If you are disabled, it is probably not your fault, but it is no good blaming the world or expecting it to take pity on you. One has to have a positive attitude and must make the best of the situation that one finds oneself in; if one is physically disabled, one cannot afford to be psychologically disabled as well. In my opinion, one should concentrate on activities in which one's physical disability will not present a serious handicap. I am afraid that Olympic Games for the disabled do not appeal to me, but it is easy for me to say that because I never liked athletics anyway. On the other hand, science is a very good area for disabled people because it goes on mainly in the mind. Of course, most kinds of experimental work are probably ruled out for most such people, but theoretical work is almost ideal. My disabilities have not been a significant handicap in my field, which is theoretical physics. Indeed, they have helped me in a way by shielding me from lecturing and administrative work that I would otherwise have been involved in. I have managed, however, only because of the large amount of help I have received from my wife, children, colleagues and students. I find that people in general are very ready to help, but you should encourage them to feel that their efforts to aid you are worthwhile by doing as well as you possibly can."

— From "Handicapped People and Science," Science Digest 92, No. 9, September 1984

5. ON TIME TRAVEL

"I would go back to 1967, and the birth of my first child, Robert. My three children have brought me great joy."

— To The New York Times, May 2011

6. ON FATE VERSUS FREE WILL

"I have noticed that even people who claim everything is predetermined and that we can do nothing to change it, look before they cross the road."

— From Black Holes and Baby Universes and Other Essays

7. ON SCIENCE VERSUS RELIGION

"There is a fundamental difference between religion, which is based on authority, [and] science, which is based on observation and reason. Science will win, because it works."

— To Diane Sawyer/ABC News, June 2010

8. ON IMPERFECTION

"Next time someone complains that you have made a mistake, tell him that may be a good thing. Because without imperfection, neither you nor I would exist."

— From Into the Universe with Stephen Hawking, 2010

9. On HIS I.Q.

"I have no idea. People who boast about their I.Q. are losers."

— To The New York Times, December 2004

10. ON WOMEN

“They are a complete mystery.”

— To New Scientist, January 2012

11. ON THE ADVICE HE GAVE HIS CHILDREN

"One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don't throw it away."

— To Diane Sawyer/ABC News, June 2010

This story originally appeared in 2013.

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By Napoleon Sarony - Library of Congress, Public Domain, Wikimedia Commons
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25 of Oscar Wilde's Wittiest Quotes
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By Napoleon Sarony - Library of Congress, Public Domain, Wikimedia Commons

On October 16, 1854, Oscar Fingal O'Flahertie Wills Wilde was born in Dublin, Ireland. He would go on to become one of the world's most prolific writers, dabbling in everything from plays and poetry to essays and fiction. Whatever the medium, his wit shone through.

1. ON GOD

"I think that God, in creating man, somewhat overestimated his ability."

2. ON THE WORLD AS A STAGE

"The world is a stage, but the play is badly cast."

3. ON FORGIVENESS

"Always forgive your enemies; nothing annoys them so much."

4. ON GOOD VERSUS BAD

"It is absurd to divide people into good and bad. People are either charming or tedious."

5. ON GETTING ADVICE

"The only thing to do with good advice is pass it on. It is never any use to oneself."

6. ON HAPPINESS

"Some cause happiness wherever they go; others whenever they go."

7. ON CYNICISM

"What is a cynic? A man who knows the price of everything and the value of nothing."

8. ON SINCERITY

"A little sincerity is a dangerous thing, and a great deal of it is absolutely fatal."

9. ON MONEY

"When I was young I thought that money was the most important thing in life; now that I am old I know that it is."

10. ON LIFE'S GREATEST TRAGEDIES

"There are only two tragedies in life: one is not getting what one wants, and the other is getting it."

11. ON HARD WORK

"Work is the curse of the drinking classes."

12. ON LIVING WITHIN ONE'S MEANS

"Anyone who lives within their means suffers from a lack of imagination."

13. ON TRUE FRIENDS

"True friends stab you in the front."

14. ON MOTHERS

"All women become like their mothers. That is their tragedy. No man does. That's his."

15. ON FASHION

"Fashion is a form of ugliness so intolerable that we have to alter it every six months."

16. ON BEING TALKED ABOUT

"There is only one thing in life worse than being talked about, and that is not being talked about."

17. ON GENIUS

"Genius is born—not paid."

18. ON MORALITY

"Morality is simply the attitude we adopt towards people whom we personally dislike."

19. ON RELATIONSHIPS

"How can a woman be expected to be happy with a man who insists on treating her as if she were a perfectly normal human being?"

20. ON THE DEFINITION OF A "GENTLEMAN"

"A gentleman is one who never hurts anyone’s feelings unintentionally."

21. ON BOREDOM

"My own business always bores me to death; I prefer other people’s."

22. ON AGING

"The old believe everything, the middle-aged suspect everything, the young know everything."

23. ON MEN AND WOMEN

"I like men who have a future and women who have a past."

24. ON POETRY

"There are two ways of disliking poetry; one way is to dislike it, the other is to read Pope."

25. ON WIT

"Quotation is a serviceable substitute for wit."

And one bonus quote about Oscar Wilde! Dorothy Parker said it best in a 1927 issue of Life:

If, with the literate, I am
Impelled to try an epigram,
I never seek to take the credit;
We all assume that Oscar said it.

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10 Memorable Neil deGrasse Tyson Quotes
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Michael Campanella/Getty Images

Neil deGrasse Tyson is America's preeminent badass astrophysicist. He's a passionate advocate for science, NASA, and education. He's also well-known for a little incident involving Pluto. And the man holds nearly 20 honorary doctorates (in addition to his real one). In honor of his 59th birthday, here are 10 of our favorite Neil deGrasse Tyson quotes.

1. ON SCIENCE

"The good thing about science is that it's true whether or not you believe in it."
—From Real Time with Bill Maher.

2. ON NASA FUNDING

"As a fraction of your tax dollar today, what is the total cost of all spaceborne telescopes, planetary probes, the rovers on Mars, the International Space Station, the space shuttle, telescopes yet to orbit, and missions yet to fly?' Answer: one-half of one percent of each tax dollar. Half a penny. I’d prefer it were more: perhaps two cents on the dollar. Even during the storied Apollo era, peak NASA spending amounted to little more than four cents on the tax dollar." 
—From Space Chronicles

3. ON GOD AND HURRICANES

"Once upon a time, people identified the god Neptune as the source of storms at sea. Today we call these storms hurricanes ... The only people who still call hurricanes acts of God are the people who write insurance forms."
—From Death by Black Hole

4. ON THE BENEFITS OF TECHNOLOGY INVENTED FOR USE IN SPACE

"Countless women are alive today because of ideas stimulated by a design flaw in the Hubble Space Telescope." (Editor's note: technology used to repair the Hubble Space Telescope's optical problems led to improved technology for breast cancer detection.)
—From Space Chronicles

5. ON THE DEMOTION OF PLUTO FROM PLANET STATUS 

PBS

"I knew Pluto was popular among elementary schoolkids, but I had no idea they would mobilize into a 'Save Pluto' campaign. I now have a drawer full of hate letters from hundreds of elementary schoolchildren (with supportive cover letters from their science teachers) pleading with me to reverse my stance on Pluto. The file includes a photograph of the entire third grade of a school posing on their front steps and holding up a banner proclaiming, 'Dr. Tyson—Pluto is a Planet!'"
—From The Sky Is Not the Limit

6. ON JAMES CAMERON'S TITANIC

"In [Titanic], the stars above the ship bear no correspondence to any constellations in a real sky. Worse yet, while the heroine bobs ... we are treated to her view of this Hollywood sky—one where the stars on the right half of the scene trace the mirror image of the stars in the left half. How lazy can you get?"
—From Death by Black Hole

7. ON DEATH BY ASTEROID

"On Friday the 13th, April 2029, an asteroid large enough to fill the Rose Bowl as though it were an egg cup will fly so close to Earth that it will dip below the altitude of our communication satellites. We did not name this asteroid Bambi. Instead, we named it Apophis, after the Egyptian god of darkness and death."
—From Space Chronicles

8. ON THE MOTIVATIONS BEHIND AMERICA'S MOONSHOT

"[L]et us not fool ourselves into thinking we went to the Moon because we are pioneers, or discoverers, or adventurers. We went to the Moon because it was the militaristically expedient thing to do."
—From The Sky Is Not the Limit

9. ON INTELLIGENT LIFE (OR THE LACK THEREOF)

Perhaps we've never been visited by aliens because they have looked upon Earth and decided there's no sign of intelligent life.
Read more at: https://www.brainyquote.com/quotes/quotes/n/neildegras615117.html
Perhaps we've never been visited by aliens because they have looked upon Earth and decided there's no sign of intelligent life.
Read more at: https://www.brainyquote.com/quotes/quotes/n/neildegras615117.html

"Perhaps we've never been visited by aliens because they have looked upon Earth and decided there's no sign of intelligent life."

10. PRACTICAL ADVICE IN THE EVENT OF ALIEN CONTACT 

A still from Steven Spielberg's E.T. the Extra-Terrestrial
Universal Studios
"[I]f an alien lands on your front lawn and extends an appendage as a gesture of greeting, before you get friendly, toss it an eightball. If the appendage explodes, then the alien was probably made of antimatter. If not, then you can proceed to take it to your leader."
—From Death by Black Hole

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