"Knowledge rests not upon truth alone, but upon error also."
"The word 'happiness' would lose its meaning if it were not balanced by sadness."
"Even a happy life cannot be without a measure of darkness, and the word happy would lose its meaning if it were not balanced by sadness. It is far better take things as they come along with patience and equanimity."
"The shoe that fits one person pinches another; there is no recipe for living that suits all cases."
"Often the hands will solve a mystery that the intellect has struggled with in vain."
"Man needs difficulties; they are necessary for health."
"If there is anything that we wish to change in the child, we should first examine it and see whether it is not something that could better be changed in ourselves."
