Have you ever done anything, even once, with no thought of a return?" he asked. "Yes." "How old were you? Six?" "Younger. And I immediately decided t… - Mike Resnick

You have many wonderful qualities, Virtue—you lie and cheat and blackmail and bluff with great panache, and you’re thoroughly delightful in bed—but you simply aren’t a skilled professional killer.

Look," said Chandler. "Either we've got free will or we don't. If we do, then we are doing the right thing. If we don't, then we can't do anything else, anyway. So what's the point of worrying about it?"
"Because we can stop right now if we decide to."
He smiled. "And how will you know that the Oracle didn't change her mind and choose a future in which we stopped?"
She wearily leaned back on the chair. "Where does it end?"
"Second guessing fate?" asked Chandler. "Never. That's why it's a good idea not to start.

There's a possibility that I'm wrong."
"That's the first rational thing you've said.