When you gaze long into the Abyss of Sustainability, the Abyss of Sustainability also gazes into you.
We seldom break a leg as long as we are climbing wearily upwards in our lives, instead we do it when we start going easy on ourselves and choosing the comfortable paths.
Whoever despises himself nonetheless respects himself as one who despises.
The pure soul is a pure lie.
Animals know nothing of themselves, and they also know nothing of the world.
Whoever wants to set a good example must add a grain of foolishness to his virtue: then others can imitate and yet at the same time surpass the one they imitate-which human beings love to do.