Acquire knowledge. It enables its possessor to distinguish right from wrong; it lights the way to Heaven; it is our friend in the desert, our society in solitude, our companion when friendless; it guides us to happiness; it sustains us in misery; it is an ornament among our friends and an armor against enemies.

... and we will test you with evil and with good; and unto us shall ye be brought back.

Whoever is humble to men for God's sake, may God exalt his eminence.

Whoever knows himself knows God.

Reviling a Muslim is disobedience to God, and fighting with him is infidelity.

No nation respects a beggar.

Four things support the world: the learning of the wise, the justice of the great, the prayers of the good, and the valor of the brave