What is good? All that enhances the feeling of power, the Will to Power, and power itself in man. What is bad? — All that proceeds from weakness. What is happiness? — The feeling that power is increasing — that resistance has been overcome.
Science ... has no consideration for ultimate purposes, any more than Nature has, but just as the latter occasionally achieves things of the greatest suitableness without intending to do so, so also true science, as the imitator of nature in ideas, will occasionally and in many ways further the usefulness and welfare of man,-but also without intending to do so.
Consider the cattle, grazing as they pass you by. They do not know what is meant by yesterday or today, they leap about, eat, rest, digest, leap about again, and so from morn till night and from day to day, fettered to the moment and its pleasure or displeasure, and thus neither melancholy nor bored. [...] A human being may well ask an animal: 'Why do you not speak to me of your happiness but only stand and gaze at me?' The animal would like to answer, and say, 'The reason is I always forget what I was going to say' - but then he forgot this answer too, and stayed silent.
No one talks more passionately about his rights than he who in the depths of his soul doubts whether he has any. By enlisting passion on his side he wants to stifle his reason and its doubts: thus he will acquire a good conscience and with it success among his fellow men.
What is the vanity of the vainest man compared with the vanity which the most modest possesses when, in the midst of nature and the world, he feels himself to be man!
There are people who want to make men's lives more difficult for no other reason than the chance it provides them afterwards to offer their prescription for alleviating life; their Christianity, for instance.
The first opinion that occurs to us when we are suddenly asked about something is usually not our own but only the current one pertaining to our class, position, or parentage; our own opinions seldom swim on the surface.