Knowledge is one thing, virtue is another.

There is a knowledge which is desirable, though nothing come of it, as being of itself a treasure, and a sufficient remuneration of years of labor.

The world is content with setting right the surface of things.

Nothing would be done at all, if a man waited till he could do it so well, that no one could find fault with it.

Virtue is its own reward.

The Nicomachean Ethics is only intended as a guide for politicians, and they are only concerned to know what is good, not what goodness means...and in any case…

Of late, men seem to have been possessed by an incomprehensible impulse to strip themselves of everything with which nature has endowed them in order to make t…