Who Said It: Sheldon Cooper or Stephen Hawking?

They're both theoretical physicists who've become household names, but Sheldon Cooper is a fictional character portrayed by Jim Parsons on The Big Bang Theory while Stephen Hawking is a Presidential Medal of Freedom recipient and the namesake for Hawking radiation.

Can you tell which quotations were spoken by Sheldon Cooper and which can be attributed to Stephen Hawking?

Question 1 of 12
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