The fool’s life is empty of gratitude and full of fears; its course lies wholly toward the future.

The flesh believes that pleasure is limitless and that it requires unlimited time; but the mind, understanding the end and limit of the flesh and ridding itself of fears of the future, secures a complete life and has no longer any need for unlimited time.

Let nothing be done in your life, which will cause you fear if it becomes known to your neighbor.

Never say that I have taken it, only that I have given it back.

Remember that the future is neither ours nor wholly not ours, so that we may neither count on it as sure to come nor abandon hope of it as certain not to be.

It is impossible for someone to dispel his fears about the most important matters if he doesn't know the nature of the universe but still gives some credence to myths. So without the study of nature there is no enjoyment of pure pleasure.

Justice is never anything in itself, but in the dealings of men with one another in any place whatever and at any time. It is a kind of compact not to harm or be harmed.