It was Plato, according to Sosigenes, who set this as a problem for those concerned with these things, through what suppositions of uniform and ordered movements the appearances concerning the movements of the wandering heavenly bodies could be preserved.

Let men of all ranks whether they are successful, or unsuccessful, whether they triumph or not; let them do their duty, and rest satisfied.

When a Benefit is wrongly conferred, the author of the Benefit may often be said to injure.

The soul should concentrate itself by itself.

There is no necessity for the man who means to be an orator to understand what is really just but only what would appear so to the majority of those who will give judgment; and not what is really good or beautiful but whatever will appear so; because persuasion comes from that and not from the truth.

Philosophy is an elegant thing, if anyone modestly meddles with it; but if they are conversant with it more than is becoming, it corrupts them.

Equals, the proverb goes, delight in equals.