Serious people have few ideas. People with ideas are never serious.
Science means simply the aggregate of all the recipes that are always successful. All the rest is literature.
The best way to make your dreams come true is to wake up.
A great man is one who leaves others at a loss after he is gone.
The folly of mistaking oneself for an oracle is built right into us.
I thought it necessary to study history, even to study it deeply, in order to obtain a clear meaning of our immediate time.