It is a mathematical fact that fifty percent of all doctors graduate in the bottom half of their class. – Author Unknown

Enduring habits I hate…. Yes, at the very bottom of my soul I feel grateful to all my misery and bouts of sickness and everything about me that is imperfect, because this sort of thing leaves me with a hundred backdoors through which I can escape from enduring habits. – Friedrich Nietzsche, The Gay Science, 1882

Sleep, riches, and health to be truly enjoyed must be interrupted. – Johann Paul Friedrich Richter, Flower, Fruit, and Thorn