Originally Posted by George C
One of my favorites:

Originally Posted by JRR Tolkien, Fellowship of the Ring
“I wish it need not have happened in my time," said Frodo.
"So do I," said Gandalf, "and so do all who live to see such times. But that is not for them to decide. All we have to decide is what to do with the time that is given us.”

And Gandalf goes on to say:
“Many that live deserve death. And some that die deserve life. Can you give it to them? Then do not be too eager to deal out death in judgement. For even the very wise cannot see all ends.”