The energy or active exercise of the mind constitutes life.

The soul never thinks without a picture.

Two characteristic marks have above all others been recognized as distinguishing that which has soul in it from that which has not - movement and sensation.

In a democracy the poor will have more power than the rich, because there are more of them, and the will of the majority is supreme.

Thus every action must be due to one or other of seven causes: chance, nature, compulsion, habit, reasoning, anger, or appetite.

People of superior refinement and of active disposition identify happiness with honour; for this is roughly speaking, the end of political life.

This much then, is clear: in all our conduct it is the mean that is to be commended.