Star Trek: The Next Generation had a habit of ending on a positive note, particularly in the first season before those pesky Borg showed up in Season 2. No matter what troubles the crew had seen during their adventure, the episodes generally ended with Picard specifying a new course and then saying "Engage" as music swelled. I recommend this practice the next time you take a road trip: strap everybody in, set a course for Isis III, then say "Engage!"
In this video montage, we see the last ten seconds of each episode from the first season of ST:TNG. It's like an inspirational poster in video form. My favorite part? Around 4:00 when Geordi (LeVar Burton) gets to say "Engage."