For Sagan's sake
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For Sagan's sake! is an exclamation, similar to the real world expressions "For God's sake!" or "For Christ's sake!"
Usage by episode
- Athena follows Starbuck as his wingman. Starbuck allows Athena to follow but tells her "for Sagan's sake, don't shoot me!" (TOS: "Lost Planet of the Gods, Part I")
- This is an obvious homage to Carl Sagan, an American astronomer, astrobiologist, and science popularizer. Sagan was often considered a skeptic, freethinker, or even an atheist in regards to religion, which makes this reference all the more humorous.