— Michael Jordan American retired professional basketball player and businessman 1963
— Adolf Hitler Führer and Reich Chancellor of Germany, Leader of the Nazi Party 1889 - 1945
„whatever you think that you will be.
if you think yourself weak, weak you will be;
if you think yourself strong, you will be“
— Swami Vivekananda Indian Hindu monk and phylosopher 1863 - 1902
— Groucho Marx American comedian 1890 - 1977
— John Cage American avant-garde composer 1912 - 1992
— Bob Marley Jamaican singer, songwriter, musician 1945 - 1981
„Your calling isn’t something that somebody can tell you about. It’s what you feel. It is the thing that gives you juice. The thing that you are supposed to do. And nobody can tell you what that is. You know it inside yourself.“
— Oprah Winfrey American businesswoman, talk show host, actress, producer, and philanthropist 1954
„It is said that if you know your enemies and know yourself, you will not be imperiled in a hundred battles; if you do not know your enemies but do know yourself, you will win one and lose one; if you do not know your enemies nor yourself, you will be imperiled in every single battle.“
— Sun Tzu ancient Chinese military general, strategist and philosopher from the Zhou Dynasty -543 - 251 a.C.
Variant translations If you know others and know yourself, you will not be imperiled in a hundred battles; if you do not know others but know yourself, you win one and lose one; if you do not know others and do not know yourself, you will be imperiled in every single battle. Know your enemy and know yourself, find naught in fear for 100 battles. Know yourself but not your enemy, find level of loss and victory. Know thy enemy but not yourself, wallow in defeat every time. Literal translation: Know [the] other, know [the] self, hundred battles without danger; not knowing [the] other but know [the] self, one win one loss; not knowing [the] other, not knowing [the] self, every battle must [be] lost.