A friend to all is a friend to none – Aristotle

The wise man does not expose himself needlessly to danger, since there are few things for which he cares sufficiently; but he is willing, in great crises, to give even his life – knowing that under certain conditions it is not worthwhile to live – Aristotle

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

Dignity does not consist in possessing honors, but in deserving them – 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

Happiness depends upon ourselves – Aristotle