There was never a genius without a tincture of madness.

Pleasure in the job puts perfection in the work.

All paid jobs absorb and degrade the mind.

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

The moral virtues, then, are produced in us neither by nature nor against nature. Nature, indeed, prepares in us the ground for their reception, but their complete formation is the product of habit.

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

Man is a goal seeking animal. His life only has meaning if he is reaching out and striving for his goals.

Anyone can become angry. That is 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 is not easy.

It is easy to fly into a passion - anybody can do that - but to be angry with the right person and at the right time and with the right object and in the right way - that is not easy, and it is not everyone who can do it.

Wicked men obey out of fear; good men, out of love.

Hope is a waking dream.

None of us learn anything we dont already know.

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.

He who is unable to live in society, or who has no need because he is sufficient for himself, must be either a beast or a god.

In all things of nature there is something of the marvelous.

With regard to excellence, it is not enough to know, but we must try to have and use it.

We make war that we may live in peace.

To enjoy the things we ought and to hate the things we ought has the greatest bearing on excellence of character.

To be conscious that we are perceiving or thinking is to be conscious of our own existence.

One swallow does not make a summer.