The intelligence consists not only in the knowledge but also in the skill to apply the knowledge into practice.

It is true, indeed, that the account Plato gives in 'Timaeus' is different from what he says in his so-called 'unwritten teachings.'

There is only one condition in which we can imagine managers not needing subordinates, and masters not needing slaves. This condition would be that each (inanimate) instrument could do its own work.

And, speaking generally, passion seems not to be amenable to reason, but only to force.

Nothing in life is more necessary than friendship.

For knowing is spoken of in three ways: it may be either universal knowledge or knowledge proper to the matter in hand or actualising such knowledge; consequently three kinds of error also are possible.

The more you know, the more you know you don't know.