Suppress yawning as much as you can, for it is from the devil, and beware of making a sound in it, for that is the voice of the devil, and sneezing in prayer is also from the devil, and in other than prayer, sneezing is not from the devil, and beware of knocking, which is striking with pebbles, the poet said

For your life, you do not know the ones striking pebbles *** nor the scavengers of birds - God does not do it.

And so are chastity and purity, and you must abstain from falafel and purification is polytheism, and beware of spitting in the mosque. If you neglect it, bury it, for that is the case. Its expiation, and beware of facing the Qiblah with your spit or with your stool, and also do not turn away from it by urinating or defecating, for that is one of the etiquettes of the Prophet. If you want to eat, wash your hands before and after eating, and rinse your mouth more when washing after it. You must do good dee