If souls continue to exist, how does the air contain them from eternity?

He who does wrong does wrong against himself. He who acts unjustly acts unjustly to himself, because he makes himself bad.

It is a shame for the soul to be first to give way in this life, when thy body does not give way.

People exist for one another.

Look back over the past, with its changing empires that rose and fell, and you can foresee the future, too.

Frequently consider the connection of all things in the universe. .. We should not say 'I am an Athenian' or 'I am a Roman' but 'I am a citizen of the Universe.

Think of the country mouse and of the town mouse, and of the alarm and trepidation of the town mouse.