It is clearly evident that most events of a widespread nature draw their causes from the enveloping heavens.

It is clearly evident that most events of a widespread nature draw their causes from the enveloping heavens.

Mortal as I am, I know that I am born for a day. But when I follow at my pleasure the serried multitude of the stars in their circular course, my feet no longer touch the earth.

Everything that is hard to attain is easily assailed by the generality of men.

If the earth were flat from east to west, the stars would rise as soon for westerners as for orientals, which is false. Also, if the earth were flat from north to south and vice versa, the stars which were always visible to anyone would continue to be so wherever he went, which is false. But it seems flat to human sight because it is so extensive.

There are three classes of friendship and enmity, since men are so disposed to one another either by preference or by need or by pleasure and pain.

As material fortune is associated with the properties of the body, so honor belongs to those of the soul.