The continuum is that which is divisible into indivisibles that are infinitely divisible.

It is clear that there is some difference between ends: some ends are energeia [energy], while others are products which are additional to the energeia.

Concerning the generation of animals akin to them, as hornets and wasps, the facts in all cases are similar to a certain extent, but are devoid of the extraordinary features which characterize bees; this we should expect, for they have nothing divine about them as the bees have.

The secret to humor is surprise.

Now that practical skills have developed enough to provide adequately for material needs, one of these sciences which are not devoted to utilitarian ends [mathematics] has been able to arise in Egypt, the priestly caste there having the leisure necessary for disinterested research.

Marriage is like retiring as a bachelor and getting a sexual pension. You don't have to work for the sex any more, but you only get 65% as much.

Educating the mind without educating the heart is no education at all.