The Blue Origin flight crew aboard the New Shepard spacecraft included a Star Trek legend: actor William Shatner (aka Captain James T. Kirk). After today’s mission, the 90-year-old Shatner is now the oldest person to travel to space. In honor of Shatner’s historic flight, please enjoy this list of our favorite Star Trek quotes.

  1. “Logic is the beginning of wisdom, not the end.”–Spock
  2. “Highly illogical.”–Spock
  3. “Live long, and prosper.”–Spock
  4. “Things are only impossible until they’re not.”–Captain Jean-Luc Picard
  5. “Insufficient facts always invite danger.”–Spock
  6. “Compassion: that’s the one things no machine ever had. Maybe it’s the one thing that keeps men ahead of them.”–Dr. McCoy
  7. “We prefer to help ourselves. We make mistakes, but we’re human–and maybe that’s the word that best explains us.”–Captain James T. Kirk
  8. “Improve a mechanical device and you may double productivity. But improve man, you gain a thousandfold.”–Khan Noonien Singh
  9. “I am pleased to see that we have differences. May we together become greater than the sum of both of us.”–Surak
  10. “It is possible to commit no errors and still lose. That is not a weakness. That is life.”–Captain Jean-Luc Picard to Data
  11. “I canna’ change the laws of physics.”–Montgomery “Scotty” Scott
  12. “KHAAANNN!”–Captain James T. Kirk
  13. “One man cannot summon the future.”–Spock
  14. “But one man can change the present!”–Kirk
  15. “Change is the essential process of all existence.”–Spock
  16. “It is the lot of ‘man’ to strive no matter how content he is.”–Spock
  17. “Computers make excellent and efficient servants, but I have no wish to serve under them.”–Spock
  18. “Without freedom of choice there is no creativity.”–Captain James T. Kirk
  19. “You can use logic to justify almost anything. That’s its power. And its flaw.”–Captain Cathryn Janeway
  20. “There is a way out of every box, a solution to every puzzle; it’s just a matter of finding it.”–Captain Jean-Luc Picard
  21. “To boldly go where no man has gone before.”–Captain James T. Kirk
Actor William Shatner as Captain James T. Kirk on Star Trek.
Image: Getty Images/Bettmann