The fool folds his hands and does no work, so he has nothing to eat but his own flesh.

Banish emotional stress from your mind. and put away pain from your body; for youth and the prime of life are fleeting.

Be warned, my son, of anything in addition to them. There is no end to the making of many books, and much study is exhausting to the body.

I thought deeply about the effects of indulging myself with wine (all the while my mind was guiding me with wisdom) and the effects of behaving foolishly, so that I might discover what is profitable for people to do on earth during the few days of their lives.

Do not let your mouth cause you to sin, and do not tell the priest, “It was a mistake!” Why make God angry at you so that he would destroy the work of your hands?”