Pleasure in the job puts perfection in the work – Aristotle

Every art and every inquiry, and similarly every action and choice, is thought to aim at some good; and for this reason the good has rightly been declared to be that at which all things aim – Aristotle

All paid jobs absorb and degrade the mind – Aristotle

A sense is what has the power of receiving into itself the sensible forms of things without the matter, in the way in which a piece of wax takes on the impress of a signet-ring without the iron or gold – Aristotle

Happiness depends upon ourselves – Aristotle

For though we love both the truth and our friends, piety requires us to honor the truth first – Aristotle