Friedrich Nietzsche

I assess the power of a will by how much resistance, pain, torture it endures and knows how to turn to its advantage.

He who cannot give anything away cannot feel anything either.

It is the most sensual men who need to flee women and torment their bodies.

That strategy of buy and hold, which is the sound and sensible one for the individual, can have very dangerous and perverse effects for the market as a whole.

A teacher must believe in the value and interest of his subject as a doctor believes in health.