“I think that virtuosity is the first sign of morality in a musician. It means you're serious enough to practice.”

“The passing of state power from one class to another is the first, the principal, the basic sign of a revolution, both in the strictly scientific and in the practical political meaning of that term.”

“You may think you're not pretty enough for me, but I bet I'm pretty enough for the both of us.”

“I think those neighborhood signs that say 'slow children playing' are so very mean.”

“Roper: This was not practical; this was moral!
More: Oh, now I understand you, Will. Morality's not practical. Morality's a gesture. A complicated gesture learned from books.”

“Whenever I have to speak on the subject of moral instruction and the conduct of a holy life, it is my practice first to demonstrate the power and quality of human nature.”

“You're so earnest about morality that I hate to think how essentially immoral you must be underneath.”

“Perhaps it is a sign of civilizational progress that the very idea of threatening a nuclear first strike today seems borderline silly or morally obscene.”

“Come and have a go, if you think you're hard enough”

“Above all else, never think you're not good enough.”