Guard your heart with all vigilance, for from it are the sources of life.

Folly is bound up in the heart of a child, but the rod of discipline will drive it far from him.

Do you see a man wise in his own eyes? There is more hope for a fool than for him.

Do you see someone who is hasty in his words? There is more hope for a fool than for him.

All the relatives of a poor person hate him; how much more do his friends avoid him – he pursues them with words, but they do not respond.