A man is hid under his tongue.

Often your utterances and expressions of your face leak out the secrets of your hidden thoughts.

Your souls are precious and can only be equal to the price of Paradise, therefore sell them only at that price

Stubbornness destroys good advice.

There is no capital more useful than intellect and wisdom, and there is no indigence more injurious than ignorance and unawareness.

The best revenge is to improve yourself.

Riches without faith are the greatest poverty.