Aristotle

Education is an ornament in prosperity and a refuge in adversity.

Pleasure in the job puts perfection in the work.

The soul never thinks without a picture.

The law is reason, free from passion.

Whosoever is delighted in solitude is either a wild beast or a god.

The aim of the wise is not to secure pleasure, but to avoid pain.

The energy of the mind is the essence of life.

There is no great genius without a mixture of madness.

The worst form of inequality is to try to make unequal things equal.

All human actions have one or more of these seven causes: chance, nature, compulsions, habit, reason, passion, desire.

The aim of art is to represent not the outward appearance of things, but their inward significance.

I count him braver who overcomes his desires than him who conquers his enemies; for the hardest victory is over self.

The roots of education are bitter, but the fruit is sweet.

A friend to all is a friend to none.