“The man of knowledge must be able not only to love his enemies but also to hate his friends.”

Talking much about oneself can also be a means to conceal oneself.

Madness is something rare in individuals – but in groups, parties, peoples, and ages, it is the rule.

He who would learn to fly one day must first learn to walk and run and climb and dance; one cannot fly into flying.

It is not a lack of love, but a lack of friendship that makes unhappy marriages.

Perhaps I know best why it is man alone who laughs; he alone suffers so deeply that he had to invent laughter.

There is always some madness in love. But there is also always some reason in madness.

Man is the cruelest animal.

There are no eternal facts, as there are no absolute truths.

All I need is a sheet of paper and something to write with, and then I can turn the world upside down.

My solitude doesn’t depend on the presence or absence of people; on the contrary, I hate who steals my solitude without, in exchange, offering me true company.

The snake which cannot cast its skin has to die.

Man is something that shall be overcome. Man is a rope, tied between beast and overman – a rope over an abyss.

Whenever I climb I am followed by a dog called Ego.

Love is a state in which a man sees things most decidedly as they are not.

The higher we soar the smaller we appear to those who cannot fly.

And once you are awake, you shall remain awake eternally.

The worst enemy you can meet will always be yourself

The enemy is the necessary condition for practicing patience.

Be where your enemy is not.

The last enemy that shall be destroyed is death.

It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.

It is easy to love your friend, but sometimes the hardest lesson to learn is to love your enemy.

If ignorant both of your enemy and yourself, you are certain to be in peril.

Patient with both friends and enemies, you accord with the way things are.