Much unhappiness has come into the world because of bewilderment and things left unsaid.
Men do not accept their prophets and slay them, but they love their martyrs and worship those whom they have tortured to death.
Man is fond of counting his troubles, but he does not count his joys. If he counted them up as he ought to, he would see that every lot has enough happiness provided for it.
Man is a mystery. One must solve it. If you spend your entire life trying to puzzle it out, then do not say that you have wasted your time. I occupy myself with this mystery, because I want to be a man.
Lying to ourselves is more deeply ingrained than lying to others.
Happiness lies not in happiness but only in the attempt to achieve it.
Deprived of meaningful work, men and women lose their reason for existence; they go stark, raving mad.