A cynic knows the price of everything and the value of nothing.
Take the course opposite to custom and you will almost always do well.
The important thing is not to stop questioning. Curiosity has its own reason for existing. One cannot help but be in awe when he contemplates the mysteries of eternity, of life, of the marvelous structure of reality. It is enough if one tries merely to comprehend a little of this mystery every day. Never lose a holy curiosity.
One of the secrets of life is to keep our intellectual curiosity acute.
Culture is the habit of being pleased with the best and knowing why.
It is much easier to be critical than to be correct.
Nobody will ever get ahead of you as long as he is kicking you in the seat of the pants.
Even the lion has to defend himself against flies.
Blame is safer than praise.
Whoever profits by the crime is guilty of it.