Misfortune shows those who are not really friends – Aristotle

Good habits formed at youth make all the difference – Aristotle

The secret to humor is surprise – Aristotle

The most perfect political community is one in which the middle class is in control, and outnumbers both of the other classes – Aristotle

All men by nature desire knowledge – 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