But nature flies from the infinite; for the infinite is imperfect, and nature always seeks an end.

As the pleasures of the body are the ones which we most often meet with, and as all men are capable of these, these have usurped the family title; and some men think these are the only pleasures that exist, because they are the only ones which they know.

There are branches of learning and education which we must study merely with a view to leisure spent in intellectual activity, and these are to be valued for their own sake; whereas those kinds of knowledge which are useful in business are to be deemed necessary, and exist for the sake of other things.

To Thales the primary question was not what do we know, but how do we know it.

It is simplicity that makes the uneducated more effective than the educated when addressing popular audiences.

So it is naturally with the male and the female; the one is superior, the other inferior; the one governs, the other is governed; and the same rule must necessarily hold good with respect to all mankind.

The soul is characterized by these capacities; self-nutrition, sensation, thinking, and movement.