Pray thee, spare, thyself at times: for it becomes a wise man sometimes to relax the high pressure of his attention to work.

It must be understood that prime matter, and form as well, is neither generated nor corrupted, because every generation is from something to something. Now that from which generation proceeds is matter, and that to which it proceeds is form. So that, if matter or form were generated, there would be a matter for matter and a form for form, endlessly. Whence, there is generation only of the composite, properly speaking.

Mistakes are made on two counts: an argument is either based on error or incorrectly developed.

God should not be called an individual substance, since the principle of individuation is matter.

Secondly, man sins against nature when he goes against his generic nature, that is to say, his animal nature. Now, it is evident that, in accord with natural order, the union of the sexes among animals is ordered towards conception. From this it follows that every sexual intercourse that cannot lead to conception is opposed to man's animal nature.

A scrap of knowledge about sublime things is worth more than any amount about trivialities.

The Angel's bread is made the Bread of man today.