Nature and education are somewhat similar. The latter transforms man, and in so doing creates a second nature.

Now as of old the gods give men all good things, excepting only those that are baneful and injurious and useless. These, now as of old, are not gifts of the gods: men stumble into them themselves because of their own blindness and folly.

It is godlike ever to think on something beautiful and on something new.

If thou suffer injustice, console thyself; the true unhappiness is in doing it.

The wise man belongs to all countries, for the home of a great soul is the whole world.

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.

It is greed to do all the talking but not to want to listen at all.