Necessity is an interpretation, not a fact.
Against war one might say that it makes the victor stupid and the vanquished malicious. In its favor, that in producing these two effects it barbarizes, and so makes the combatants more natural. For culture it is a sleep or a wintertime, and man emerges from it stronger for good and for evil.
The moral earth, too, is round! The moral earth, too, has its antipodes! The antipodes, too, have their right to exist! There is still another world to be discovered--and more than one! Set sail, you philosophers!
If you stare into the Abyss long enough the Abyss stares back at you.
There are various eyes. Even the Sphinx has eyes: and as a result there are various truths, and as a result there is no truth.
If Islam despises Christianity, it has a thousandfold right to do so: Islam at least assumes that it is dealing with men.
And as long as you are in any way ashamed before yourself, you do not yet belong with us.
We cannot even reproduce our thoughts entirely in words.
Because men really respect only that which was founded of old and has developed slowly, he who wants to live on after his death must take care not only of his posterity but even more of his past.
At a certain place in Beethoven's Ninth Symphony, for example, he might feel that he is floating above the earth in a starry dome, with the dream of immortality in his heart; all the stars seem to glimmer around him, and the earth seems to sink ever deeper downwards.
Morality is: the mediocre are worth more than the exceptions ... I abhore Christianity with a deadly hatred.
The governments of the great States have two instruments for keeping the people dependent, in fear and obedience: a coarser, the army; and a more refined, the school.
Ten times must you laugh during the day, and be cheerful; otherwise your stomach, the father of affliction, will disturb you in the night.
If you are too weak to give yourselves your own law, then a tyrant shall lay his yoke upon you and say: "Obey! Clench your teeth and obey!" And all good and evil shall be drowned in obedience to him.
It is thus only this personal feeling of misery that we get rid of by acts of pity.
With the unknown, one is confronted with danger, discomfort, and care; the first instinct is to abolish these painful states. First principle: any explanation is better than none. . . . The causal instinct is thus conditional upon, and excited by, the feeling of fear. The "why?" shall, if at all pos
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.
It is possible to imagine a society flushed with such a sense of power that it could afford to let its offenders go unpunished.
Socrates ... is the first philosopher of life [Lebensphilosoph], ... Thinking serves life, while among all previous philosophers life had served thought and knowledge. ... Thus Socratic philosophy is absolutely practical: it is hostile to all knowledge unconnected to ethical implications.
[Heraclitus' language] dispenses with lightness and artificial decoration, foremost out of disgust for humanity and out of [his own] defiant feeling.
Indeed, at hearing the news that 'the old god is dead', we philosophers and 'free spirits' feel illuminated by a new dawn; our heart overflows with gratitude, amazement, forebodings, expectation - finally the horizon seems clear again, even if not bright; finally our ships may set out again, set out
The vanity of others runs counter to our taste only when it runs counter to our vanity.
The real world is much smaller than the imaginary
The less men are fettered by tradition, the greater becomes the inward activity of their motives, and greater again in proportion to their outer restlessness.
Reality is captured in the categorical nets of Language only at the expense of fatal distortion.
Man is something to be surpassed.
Everyone carries within himself an image of womanliness derived from his mother: it is this that determines whether, on the whole,he will revere women, or despise them, or remain generally indifferent to them.
We are more pained when one of our friends is guilty of something shameful than when we do it ourselves.
Animals know nothing of themselves, and they also know nothing of the world.
...the only psychologist from whom I have anything to learn.