Man is very well defended against himself... The actual fortress is inaccessible, even invisible to him, unless his friends and enemies play the traitor and conduct him in by a secret path.

Whoever knows he is deep tries to be clear, but whoever wants to seem deep to the crowd tries to be obscure. For the crowd supposes that anything it cannot see to the bottom must be deep: it is so timid and goes so unwillingly into the water.

There is nothing more necessary than truth, and in comparison with it everything else has only secondary value. This absolute will to truth: what is it? Is it the will to not allow ourselves to be deceived? Is it the will not to deceive? One does not want to be deceived, under the supposition that it is injurious, dangerous, or fatal to be deceived.

That little hypocrites and half-crazed people dare to imagine that on their account the laws of nature are constantly broken; such an enhancement of every kind of selfishness to infinity, to impudence, cannot be branded with sufficient contempt. And yet Christianity owes its triumph to this pitiable flattery of personal vanity.

Thinking has to be learned in the way dancing has to be learned.

It was modesty that invented the word "philosopher" in Greece and left the magnificent overweening presumption in calling oneselfwise to the actors of the spirit--the modesty of such monsters of pride and sovereignty as Pythagoras, as Plato.

Do not paint a picture either of God or the devil on your walls: this will ruin both your walls and the atmosphere.