Quote #27119
He who confers a favor should at once forget it, if he is not...
Quote #15958
One of the sublimest things in the world is plain truth.
Quote #12229
A really great man has always an idea of something greater than himself.
Quote #25935
Research is what I’m doing when I don’t know what I’m doing.
Quote #28106
My own suspicion is that the universe is not only stranger than we suppose,...
Quote #1994
Progress might have been all right once but it has gone on too long.
Quote #1757
I must decline your invitation owing to a subsequent engagement.
Quote #5150
In the end, we will remember not the words of our enemies, but the...
Quote #14344
Reason and free inquiry are the only effectual agents against error.
Quote #28466
Thought is the wind, knowledge the sail, and mankind the vessel.