Seneca

The philosopher: he alone knows how to live for himself. He is the one, in fact, who knows the fundamental thing: how to live.

No one should feel pride in anything that is not his own.

How can a thing possibly govern others when it cannot be governed itself?

When some state or other offered Alexander a part of its territory and half of all its property he told them that 'he hadn't come to Asia with the intention of accepting whatever they cared to give him, but of letting them keep whatever he chose to leave them.' Philosophy, likewise, tells all other occupations: 'It's not my intention to accept whatever time is leftover from you; you shall have, instead, what I reject.' Give your whole mind to her.

Philosophy's power to blunt all the blows of circumstance is beyond belief.

See what daily exercise does for one.

The wise man then followed a simple way of life-which is hardly surprising when you consider how even in this modern age he seeks to be as little encumbered as he possibly can.

How much longer are you going to be a pupil? From now on do some teaching as well.

Be harsh with yourself at times.

Life is never incomplete if it is an honorable one. At whatever point you leave life, if you leave it in the right way, it is whole.