The aim of science is not to open the door to infinite wisdom, but to set a limit to infinite error.
It's never too late for those whose time has come.
If you fight you might lose, if you don't you have already lost.
There are a few things that'll move people to pity, a few, but the trouble is, when they've been used several times, they no longer work.
I don't know what a man is. Only that every man has his price.
The finest plans have always been spoiled by the littleness of them that should carry them out. Even emperors can't do it all by themselves.