The one self- knowledge worth having is to know one's own mind.
I have the true feeling of myself only when I am unbearably unhappy.
Knowing others is intelligence; knowing yourself is true wisdom. Mastering others is strength; mastering yourself is true power.
One may understand the cosmos, but never the ego; the self is more distant than any star.
Without self knowledge, without understanding the working and functions of his machine, man cannot be free, he cannot govern himself and he will always remain a slave.
Who looks outside, dreams; who looks inside, awakes.
Self knowers always dwell in El Dorado; they drink from the fountain of youth, and at all times owners of all they wish to enjoy.
There are three things extremely hard: steel, a diamond, and to know one's self.
Know thyself? If I knew myself I would run away.
If most of us remain ignorant of ourselves, it is because self-knowledge is painful and we prefer the pleasures of illusion.
To know oneself is to study oneself in action, which is relationship.
Explore thyself. Herein are demanded the eye and the nerve.
Psychology is action, not thinking about oneself.
I want to be all that I am capable of becoming.
Trust not yourself, but your defects to know, make use of every friend and every foe.
The proper study of Mankind is Man.
Know then thyself, presume not God to scan; The proper study of mankind is man.
Psychology is action, not thinking about oneself. We continue to shape our personality all our life. To know oneself, one should assert oneself.
Know thyself means this, that you get acquainted with what you know, and what you can do.
One secures the gold of the spirit when he finds himself.
Knowledge will give you power, but character respect.
You never know yourself till you know more than your body.
Only as you do know yourself can your brain serve you as a sharp and efficient tool. Know your own failings, passions, and prejudices so you can separate them from what you see.
Other men's sins are before our eyes; our own are behind our backs.
He knows the universe and does not know himself.
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