And this, Cebes, is the reason why the true lovers of knowledge are temperate and brave; and not for the reason that the world gives. For not in that way does the soul of a philosopher reason. ...Never fear, Simmias and Cebes, that a soul which has been thus nurtured and has had these pursuits, will at her departure from the body be scattered and blown away by the winds and be nowhere and nothing. The Trials Of Socrates

The least of things with a meaning is worth more in life than the greatest of things without it. Modern Man in Search of a Soul

The question is asked in ignorance, by one who does not even know what can have led him to ask it. Philosophical Fragments 

...be tolerant with others and strict with yourself. Remember, nothing belongs to you but your flesh and blood—and nothing else is under your control. Book V