No one sees further into a generalization than his own knowledge of detail extends.

Most people live, whether physically, intellectually or morally, in a very restricted circle of their potential being.

The history of philosophy is to a great extent that of a certain clash of human temperaments.

Tension is a habit. Relaxing is a habit. Bad habits can be broken, good habits formed.

Nothing is so fatiguing as the eternal hanging on of an uncompleted task.

Just for today I will exercise my soul in three ways: I will do somebody a good turn and not get found out. I will do at least two things I don't want to do

Man lives for science as well as bread.