- Gaal Dornick: [narration] We pair to procreate, or so we are taught. Love itself is inconsequential, when measured against the scale of the galaxy
- Gaal Dornick: If your parents had never met, you wouldn't exist. In fact, if any of your great-great-great-great-grandparents hadn't met, you wouldn't exist. Everyone in the universe is the result of a unique set of pairings, and psychohistory doesn't care about them at all.
- Hari Seldon: I take it you know how to sell Foundation?
- Poly Verisof: Seven planets so far.
- Hari Seldon: This is graduation day.