On the mountains of truth you can never climb in vain: either you will reach a point higher up today, or you will be training your powers so that you will be able to climb higher tomorrow.
One must still have chaos in oneself to be able to give birth to a dancing star.
When marrying, ask yourself this question: Do you believe that you will be able to converse well with this person into your old age? Everything else in marriage is transitory.
The man of knowledge must be able not only to love his enemies but also to hate his friends.
Do whatever you will, but first be such as are able to will.
It is good to express a thing twice right at the outset and so to give it a right foot and also a left one. Truth can surely stand on one leg, but with two it will be able to walk and get around.
Words are but symbols for the relations of things to one another and to us; nowhere do they touch upon absolute truth.
There are no eternal facts, as there are no absolute truths.
We often refuse to accept an idea merely because the tone of voice in which it has been expressed is unsympathetic to us.
In the consciousness of the truth he has perceived, man now sees everywhere only the awfulness or the absurdity of existence and loathing seizes him.
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.
When you look into an abyss, the abyss also looks into you.
Nothing is beautiful, only man: on this piece of naivete rests all aesthetics, it is the first truth of aesthetics. Let us immediately add its second: nothing is ugly but degenerate man - the domain of aesthetic judgment is therewith defined.
There is an innocence in admiration; it is found in those to whom it has never yet occurred that they, too, might be admired some day.
Admiration for a quality or an art can be so strong that it deters us from striving to possess it.
For art to exist, for any sort of aesthetic activity to exist, a certain physiological precondition is indispensable: intoxication.
I assess the power of a will by how much resistance, pain, torture it endures and knows how to turn to its advantage.
Every church is a stone on the grave of a god-man: it does not want him to rise up again under any circumstances.