And they will ask thee of the spirit. Say: The spirit proceedeth at my Lord's command; but of knowledge, only a little is given to you.

A Muslim has five duties towards another Muslim; to return a salutation, visit the sick, follow funerals, accept an invitation and say 'God have mercy on you' when one sneezes.

One hour of contemplation surpasses sixty years of worship.

Whoever knows himself knows God.

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

They know the outward shows of this life present but of the next life are they careless. Have they not consider the heavens and the earth and all that is between them but for a serious end, and for a fixed term? But truly most men believe not that they shall meet their Lord.

Four characteristics constitute anyone who possesses them a sheer hypocrite, and anyone who possesses one of them possesses a characteristic of hypocrisy till he abandons it: when he is trusted he betrays his trust, when he talks he lies, when he makes a covenant he acts treacherously and when he quarrels he abuses.