In philosophy class I think we finally decided that 'good' is an infinitely recursive term - it can't be defined except in terms of itself. Good is good because it's better than bad, though why it's better to be good than bad depends on how you define good, and on and on.
Orson Scott CardThe lives of all people flow through time, and, regardless of how brutal one moment may be, how filled with grief or pain or fear, time flows through all lives equally.
Orson Scott CardYou understand that the piggies are animals, and you no more condemn them for murdering Libo and Pipo than you condemn a cabra for shewing up capim." That's right," said Miro. Ender smiled. "And that's why you'll never learn anything from them. Because you think of them as animals.
Orson Scott Card