“Being the richest man in the cemetery doesn’t matter to me. Going to bed at night saying we’ve done something wonderful, that’s what matters to me.”

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

Just don't give up trying to do what you really want to do.

Don’t walk behind me, I may not lead. Just walk beside me and be my friend.

“If not us, who? If not now, when?”

When one door of happiness closes, another opens; but often we look so long at the closed door that we do not see the one which has been opened for us.

The only thing worse than being blind is having sight but no vision.