Physiologists should think before putting down the instinct of self-preservation as the cardinal instinct of an organic being. A living thing seeks above all to discharge its strength--life itself is will to power; self-preservation is only one of the indirect and most frequent results.
There is no other species on Earth that does science. It is, so far, entirely a human invention, evolved by natural selection in the cerebral cortex for one simple reason: it works. It is not perfect. It can be misused. It is only a tool. But it is by far the best tool we have, self-correcting, ongoing, applicable to everything.
Ignorance, intolerance, egotism, self-assertion, opaque perception, dense and pitiful chuckle headedness - and an almost pathetic unconsciousness of it all, that is what I was at nineteen and twenty.
A man is a beggar who only lives to the useful, and, however he may serve as a pin or rivet in the social machine, cannot be saidto have arrived at self-possession.
When self control is lacking in small things, the ability to apply it to matters of importance withers away. Every day in which one does not at least deny himself some trifle is badly spent and a threat to the day following.
Enlightenment is man's emergence from his self-imposed immaturity...No thing is required for this enlightenment.. .except freedom; and the freedom in question is the least harmful of all, namely, the freedom to use reason publicly in all matters.
There's, like, marks next to an actor's name or something, and boy does that go up and down! Somewhere in there, which always causes my mate Miss Ruby Wax great hilarity, I was offered a biopic of Frank Sinatra. Even I knew that was a bad idea! They'll throw anything at you at certain times. So, you know, to thine own self be true.
The all-embracing vast being which is there behind the play of the universe and with which you will have to identify yourself - for this is your true self.