"Knowing how to deal well with not knowing is far more important than knowing."

"Success comes from knowing what you don't know more than from knowing what you do know."

"Spiteful words can hurt your feelings but silence breaks your heart."

"Education without values, as useful as it is, seems rather to make man a more clever devil."

"I have learned now that while those who speak about one's miseries usually hurt, those who keep silence hurt more."

"Speak in such a way that others love to listen to you. Listen in such a way that others love to speak to you."