A permanent relationship is dependent on particular purpose or wealth.

Those parents who do not educate their sons are their enemies; for as is a crane among swans, so are ignorant so are ignorant sons in a public assembly.

Do not put your trust in a bad companion nor even trust an ordinary friend, for if he should get angry with you, he may bring all your secrets to light.

Poverty, disease, sorrow, imprisonment and other evils are the fruits borne by the tree of one's own sins.

Do not keep company with a fool for as we can see he is a two-legged beast. Like an unseen thorn he pierces the heart with his sharp words.

Many a bad habit is developed through overindulgence, and many a good one by chastisement; therefore, beat your son as well as your pupil; never indulge them.

Sometimes coincidentally an unintelligent person can accomplish a task but that does not mean that he is a knower of means and device or is experienced. A ruler should be careful enough to designate other tasks to such persons.