A true friend is one soul in two bodies – 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

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

The ultimate value of life depends upon awareness and the power of contemplation rather than upon mere survival – Aristotle

Anybody can become angry – that is easy, but to be angry with the right person and to the right degree and at the right time and for the right purpose, and in the right way – that is not within everybody’s power and is not easy – Aristotle

Fear is pain arising from the anticipation of evil – Aristotle