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

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

The one exclusive sign of thorough knowledge is the power of teaching – Aristotle

All human actions have one or more of these seven causes: chance, nature, compulsions, habit, reason, passion, desire – Aristotle

Republics decline into democracies and democracies degenerate into despotisms – 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