There was never a genius without a tincture of madness.
Aristotle (384 - 322 BC)
Contributed by: Zaady
Happiness depends upon ourselves.
Happiness is a state of activity.
All human actions have one or more of these seven causes: Chance, nature, compulsions, habit, reason, passion, desire.
Source: Rhetoric 1
Humor is the only test of gravity, and gravity of humor; for a subject which will not bear raillery is suspicious, and a jest which will not bear serious examination is false wit.
Those that know, do. Those that understand, teach.
Excellence is an art won by training and habituation: we do not act rightly because we have virtue or excellence, but we rather have those because we have acted rightly. We are what we repeatedly do. Excellence, then, is not an act, but a habit.
I have gained this from philosophy: that I do without being commanded what others do only from fear of the law.
Source: Diogenes Laeritius, Lives of Eminent Philosophers, book V
It is the mark of an educated mind to be able to entertain a thought without accepting it.
In educating the young we steer them by the rudders of pleasure and pain
Source: Nichomachean Ethics, Book X
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