America is a mistake, a giant mistake.

I no longer count as one of my merits that I always tell the truth as much as possible; it has become my metier.

One thing only do I know for certain and that is that man's judgments of value follow directly his wishes for happiness-that, accordingly, they are an attempt to support his illusions with arguments. [p.111]

The only person with whom you have to compare ourselves, is that you in the past. And the only per-son better you should be, this is who you are now.

A man who has been the indisputable favorite of his mother keeps for life the feeling of a conqueror.

I should like to raise the question whether the inevitable stunting of the sense of smell as a result of man's turning away from the earth, and the organic repression of the smell-pleasure produced by it, does not largely share in his predisposition to nervous diseases.

Neither in my private life nor in my writings, have I ever made a secret of being an out-and-out unbeliever.