The energy of the mind is the essence of life – Aristotle

Quality is not an act, it is a habit – Aristotle

Different men seek after happiness in different ways and by different means, and so make for themselves different modes of life and forms of government – Aristotle

A friend to all is a friend to none – Aristotle

Excellence, then, is a state concerned with choice, lying in a mean, relative to us, this being determined by reason and in the way in which the man of practical wisdom would determine it – Aristotle

I count him braver who overcomes his desires than him who conquers his enemies; for the hardest victory is over self – Aristotle