Learn the Arabic language; it will sharpen your wisdom.
Lower your gaze from the world and turn your heart away from it...
Seek knowledge and teach it to people. Learn dignity and tranquillity, and be humble towards those from whom you learn knowledge and be humble towards those to whom you teach it, and do not be tyrannical scholar otherwise your knowledge cannot be established because of your tyranny.
He who does now know evil will fall into it.
He who does not live in the way of his beliefs starts to believe in the way he lives.
When you do not know of a thing say so plainly.