What is good? All that heightens the feeling of power, the will to power, power itself. What is bad? All that is born of weakness. What is happiness? The feeling that power is growing, that resistance is overcome.

The Antichrist, Section 7

The Refinement of Shame. People are not ashamed to think something foul, but they are ashamed when they think these foul thoughts are attributed to them.

What saved me then? Nothing but pregnancy. And each time after I had given birth to my work my life hung suspended by a thin thread.

I fear that, with our current veneration for the natural and the real, we have arrived at the opposite pole to all idealism, and have landed in the region of the waxworks.

Whoever has witnessed another's ideal becomes his inexorable judge and as it were his evil conscience.

The 'kingdom of Heaven' is a condition of the heart - not something that comes 'upon the earth' or 'after death.'