Let nothing which can be treated by diet be treated by other means.

There is no difference between the pain of humans and the pain of other living beings, since the love and tenderness of the mother for the young are not produced by reasoning, but by feeling, and this faculty exists not only in humans but in most living beings.

Know that for the human mind there are certain objects of perception which are within the scope of its nature and capacity; on the other hand, there are, amongst things which actually exist, certain objects which the mind can in no way and by no means grasp: the gates of perception are closed against it.

Teach thy tongue to say 'I do not know,' and thou shalt progress.

Lose with truth and right rather than gain with falsehood and wrong.

The third class of evils comprise those which everyone causes to himself by his own action. This is the largest class, and is far more numerous than the second class. It is especially of these evils that all men complain, - only few men are found that do not sin against themselves by this kind of evil. ...This class of evil originates in man's vices, such as excessive desire for eating, drinking, and love; indulgence in these things in undue measure, or in improper manner, or partaking of bad food. This course brings diseases and afflictions upon the body and soul alike.

It is possible that the meaning of wisdom in Hebrew indicates aptitude for stratagems and the application of thought in such a way that the stratagems and ruses may be used in achieving either rational or moral virtues, or in achieving skill in a practical art, or in working evil and wickedness.