It is the mark of an educated mind to be able to entertain a thought without accepting it – Aristotle

Moral excellence comes about as a result of habit. We become just by doing just acts, temperate by doing temperate acts, brave by doing brave acts – Aristotle

Courage is the first of human qualities because it is the quality which guarantees the others – Aristotle

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

Poetry is finer and more philosophical than history; for poetry expresses the universal, and history only the particular – 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