Ancient Greek philosopher and polymath. His writings cover a broad range of subjects spanning the natural sciences, philosophy
Well begun is half done.
If one way be better than another, that you may be sure is natures way.
Those that know, do. Those that understand, teach.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
Change in all things is sweet.
We are what we repeatedly do. Excellence, then, is not an act but a habit.
Moral excellence comes about as a result of habit. We become just by doing just acts, temperate by doing temperate acts, brave by doing brave acts.
We are what we repeatedly do. Excellence, then, is not an act, but a habit.
Happiness depends upon ourselves.
The energy of the mind is the essence of life.