“Anybody who is happy all the time needs a psychiatrist.”

“The real key to health and happiness and success is self knowledge.”

“You already know enough to go to hell.”

“The secret of health for both mind and body is not to mourn for the past, not to worry about the future, or not to anticipate troubles, but to live the present moment wisely and earnestly.”

“It is with disease of the mind, as with those of the body; we are half dead before we understand our disorder, and half cured when we do.”