Who said “When one is a stranger to oneself then one is estranged from others too.”?

“Our lives teach us who we are.”

“I want, by understanding myself, to understand others. I want to be all that I am capable of becoming.”

“To grow wiser means to learn to know better and better the faults to which this instrument with which we feel and judge can be subject.”

“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.”

“Know one, know all.”

“The wave of the future is coming and there is no fighting it.”

“One can never pay in gratitude; one can only pay ''in kind'' somewhere else in life.”

“Good communication is as stimulating as black coffee, and just as hard to sleep after.”

“Only in growth, reform, and change, paradoxically enough, is true security to be found.”

“By and large, mothers and housewives are the only workers who do not have regular time off. They are the great vacationless class.”

“One cannot collect all the beautiful shells on the beach. One can collect only a few and they are more beautiful if they are a few.”