We can do noble acts without ruling the earth and sea.

It is possible to fail in many ways...while to succeed is possible only in one way.

The greatest crimes are caused by surfeit, not by want.

All human actions have one or more of these seven causes: chance, nature, compulsions, habit, reason, passion, desire.

There are, then, these three means of effecting persuasion. The man who is to be in command of them must, it is clear, be able (1) to reason logically, (2) to understand human character and goodness in their various forms, and (3) to understand the emotions--that is, to name them and describe them, to know their causes and the way in which they are excited.

All friendly feelings toward others come from the friendly feelings a person has for himself.

The energy or active exercise of the mind constitutes life.