God said: "I could not be contained in the heavens and the earth, but could be contained in the heart of a true believer.

The heart of the believer is the House of God.

Be good to animals: neither ill-treat them, nor place on them loads beyond their strenght to bear.

One of the greatest crimes is to destroy a work of art.

Repentance absolves one from every fault.

Shut no door that you will not be able to open.

The strongest man is he who can fight against himself.

Be respectful alike to your teacher and to those you teach.

Everything must be according to reason, and reason itself must be polite.

Polite manners are the best patrimony that fathers can bequeath to their children.