The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your mind.

I am bored with gabbers and their gab; my soul abhors them. . . . Is there any place where there is no traffic in empty talk? Is there on this earth one who does not worship himself talking?

Prayer is the song of the heart. It reaches the ear of God even if it is mingled with the cry and the tumult of a thousand men.

My proof convinces the ignorant, and the wise man's proof convinces me. But he whose reasoning falls between wisdom and ignorance, I neither can convince him, nor can he convince me.

Perplexity is the beginning of knowledge.

Friendship with the ignorant is as foolish as arguing with a drunkard.

Safeguarding the rights of others is the most noble and beautiful end of a human being.