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.

Nature of man is not what he was born as, but what he is born for.

Plato is dear to me, but dearer still is truth.

The family is the association established by nature for the supply of men's everyday wants.

Yellow-colored objects appear to be gold

To the size of the state there is a limit, as there is to plants, animals and implements, for none of these retain their facility when they are too large.

All art is concerned with coming into being; for it is concerned neither with things that are, or come into being by necessity, nor with things that do so in accordance with nature.