A man may call to mind the face of his friend, but not his own. Here, then, is an initial difficulty in the way of applying the maxim, Know Thyself.
Arthur SchopenhauerIt is most important to allow the brain the full measure of sleep which is required to restore it; for sleep is to a man's whole nature what winding up is to a clock.
Arthur SchopenhauerThere is only one inborn error. and that is the notion that we exist in order to be happy.
Arthur Schopenhauer