Do not utter even a single harsh word; your True Lord and Master abides in all. Do not break anyone's heart; these are all priceless jewels. The minds of all are like precious jewels; to harm them is not good at all. If you desire your Beloved, then do not break anyone's heart.
He through whom the world is not agitated, and who is not agitated by the world, who is free from joy and anger and fear and agitation, he too is dear to me.
And pursue not that of which thou hast no knowledge; for every act of hearing, or of seeing or of (feeling in) the heart will be enquired into (on the Day of Reckoning).
Be silent, O thou who knowest many things! for he that speaketh little will be free from reproach on the Day of Judgment. The man of many words is deaf; no counsel does he heed like silence. …