The irrationality of a thing is no argument against its existence, rather a condition of it.

Arrogance on the part of the meritorious is even more offensive to us than the arrogance of those without merit: for merit itself is offensive.

To be ashamed of one's immorality: that is a step on the staircase at whose end one is also ashamed of one's morality.

A book calls for pen, ink, and a writing desk; today the rule is that pen, ink, and a writing desk call for a book.

...the only psychologist from whom I have anything to learn.

In our interactions with people, a benevolent hypocrisy is frequently required--acting as though we do not see through the motivesof their actions.

Through searching out origins, one becomes a crab. The historian looks backwards, and finally he also believes backwards.