The offender, who repents, is not yet lost.

Poor mind, from the senses you take your arguments, and then want to defeat them? Your victory is your defeat.

To a wise man, the whole earth is open; for the native land of a good soul is the whole earth.

Many much-learned men have no intelligence.

Envy creates the beginning of strife.

Life unexamined, is not worth living.

There are innumerable worlds of different sizes. In some there is neither sun not moon, in others they are larger than in ours and others have more than one. These worlds are at irregular distances, more in one direction and less in another, and some are flourishing, others declining. Here they come into being, there they die, and they are distroyed by collision with one another. Some of the worlds have no animal or vegetable life nor any water.