For men are not equal: thus speaks justice.

The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.

What is good? All that heightens the feeling of power in man, 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.

When you stare into the abyss the abyss stares back at you.

To predict the behavior of ordinary people in advance, you only have to assume that they will always try to escape a disagreeable situation with the smallest possible expenditure of intelligence.