"He who cannot draw on three thousand years is living from hand to mouth."

"Man cannot live without a permanent belief in something indestructible in himself, though both the indestructible element and the belief may remain hidden from him."

"What is not started today is never finished tomorrow."

"Alles Gescheite ist schon gedacht worden, man muß nur versuchen, es noch einmal zu denken."

"If you treat an individual as he is, he will remain as he is. But if you treat him as if he were what he ought to be and could be, he will become what he ought to be and could be."