“I know what the Greeks do not know, incertitude.”

“If you don’t speak Greek, how do you know if it’s all Greek to you?”

“What do I believe? I do not know; I do not know; I do not know.”

“For fear is a primary source of evil. And when the question "Who am I?" recurs and is unanswered, then fear and frustration project a negative attitude. The bewildered soul can answer only: "Since I do not understand 'Who I am,' I only know what I am not." The corollary of this emotional incertitude is snobbism, intolerance and racial hate. The xenophobic individual can only reject and destroy, as the xenophobic nation inevitably makes war. ”

“I do not always know what I want, but I do know what I don't want.”

“I do not need to know all things. I remind myself that it is sufficient that I know what I know and know that without believing that I will always know what I know or that what I know will always be true.”