You don't stop laughing because you grow old. You grow old because you stop laughing.
Because we don't think about future generations, they will never forget us.
Liberals are very broadminded: they are always willing to give careful consideration to both sides of the same side.
The true mystery of the world is the visible, not the invisible.
I am doomed to an eternity of compulsive work. No set goal achieved satisfies. Success only breeds a new goal. The golden apple devoured has seeds. It is endless.
You have no control over what the other guy does. You only have control over what you do.
A sympathetic Scot summed it all up very neatly in the remark, "You should make a point of trying every experience once, excepting incest and folk dancing."