You must not lose faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty.
Everybody knows if you are too careful you are so occupied in being careful that you are sure to stumble over something.
Good company and good discourse are the very sinews of virtue.
I respect faith, but doubt is what gets you an education.
Misquotations are the only quotations that are never misquoted.
You can't have a light without a dark to stick it in.
By prizing heartfulness above faultlessness, we may reap more from our effort because we're more likely to be changed by it.