Our credulity is greatest concerning the things we know least about. And since we know least about ourselves, we are ready to believe all that is said about us. Hence the mysterious power of both flattery and calumny.

One of the marks of a truly vigorous society is the ability to dispense with passion as a midwife of action - the ability to pass directly from thought to action.

people with a sense of fulfillment think it is a good world and would like to conserve it as it is, while the frustrated favor radical change.

The hardest arithmetic to master is that which enables us to count our blessings.

Ideas have significance for him only as a prelude to action.

The pleasure we derive from doing favors is partly in the feeling it gives us that we are not altogether worthless. It is a pleasant surprise to ourselves.

Rudeness is the weak man's limitation of strength.