Consequently he who wishes to attain to human perfection, must therefore first study Logic, next the various branches of Mathematics in their proper order, then Physics, and lastly Metaphysics.
For it is said, You shall strengthen the stranger and the dweller in your midst and live with him, that is to say, strengthen him until he needs no longer fall upon the mercy of the community or be in need.
The knowledge of God, the formation of ideas, the mastery of desire and passion, the distinction between that which is to be chosen and that which is to be rejected, all these man owes to his form.
The second class of evils comprises such evils as people cause to each other, when, e.g. , some of them use their strength against others. These evils are more numerous than those of the first kind. They likewise originate in ourselves, though the sufferer himself cannot avert them.
Do not consider it proof just because it is written in books, for a liar who will deceive with his tongue will not hesitate to do the same with his pen.
Astrology is a disease, not a science. It is a tree under the shadow of which all sorts of superstitions thrive. Only fools and charlatans lend value to it.
If men possessed wisdom, which stands in the same relation to the form of man as the sight to the eye, they would not cause any injury to themselves or to others, for the knowledge of the truth removes hatred and quarrels, and prevents mutual injuries.
It is hard for a woman with whom an uncircumcised man has had sexual intercourse to separate from him. In my opinion this is the strongest of the reasons for circumcision.
