Aristotle

Youth is easily deceived because it is quick to hope. - Aristotle

There was never a genius without a tincture of insanity. - Aristotle

We are what we repeatedly do. Excellence then, is not an act, but a habit. - Aristotle

One should know that living beings are moist and warm...however, old age is dry and cold. - Aristotle

Friends are an aid to the young, to guard them from error; to the elderly, to attend to their wants and to supplement their failing power of action; to those in the prime of life, to assist them to noble deeds. - Aristotle

Friendship is a single soul dwelling in two bodies. - Aristotle

Intuition is the source of scientific knowledge. - Aristotle

The whole is more than the sum of its parts. (from the Metaphysics) - Aristotle

If liberty and equality, as is thought by some, are chiefly to be found in democracy, they will be best attained when all persons alike share in the government to the utmost. - Aristotle

They [young people] have exalted notions, because they have not been humbled by life or learned its necessary limitations; moreover, their hopeful disposition makes them think themselves equal to great things - and that means having exalted notions. They would always rather do noble deeds than useful ones: Their lives are regulated more by moral feeling than by reasoning - all their mistakes are in the direction of doing things excessively and vehemently. They overdo everything - they love too much, hate too much, and the same with everything else. - Aristotle

Anybody can become angry, that's easy. But to be angry with the right person, to the right degree, at the right time, for the right purpose, and in the right way, that's not within everybody's power. That's not easy. - Aristotle

The gods too are fond of a joke. - Aristotle

Wit is educated insolence. - Aristotle

It is unbecoming for young men to utter maxims. - Aristotle

We praise a man who is angry on the right grounds, against the right persons, in the right manner, at the right moment, and for the right length of time. - Aristotle

All art, all education, can be merely a supplement to nature. - Aristotle

If women didn't exist, all the money in the world would have no meaning. - Aristotle Onassis

The secret of success is to know something nobody else knows. - Aristotle Onassis