Man is so constituted that he then only excels other things when he knows himself. – Boethius The Consolation of Philosophy
All men should strive to learn before they die, what they are running from, and to, and why. – James Thurber
He that knows himself, knows others; and he that is ignorant of himself, could not write a very profound lecture on other men’s heads. – Charles Caleb Colton
One may understand the cosmos, but never the ego; the self is more distant than any star. – Gilbert K. Chesterton
The greatest explorer on this earth never takes voyages as long as those of the man who descends to the depth of his heart. – Julien Green