If you tried to doubt everything you would not get as far as doubting anything. The game of doubting itself presupposes certainty.
Someone who knows too much finds it hard not to lie.
The world divides into facts.
Don't get involved in partial problems, but always take flight to where there is a free view over the whole single great problem, even if this view is still not a clear one.
A new word is like a fresh seed sown on the ground of the discussion.
Our ordinary language has no means for describing a particular shade of color. Thus it is incapable of producing a picture of this color.
Don't ask what it means, but rather how it is used.
If in life we are surrounded by death, so too in the health of our intellect by madness.
A picture is a model of reality.
Philosophy, as we use the word, is a fight against the fascination which forms of expression exert upon us.
I'm doing philosophy like an old woman, first I'm looking for my pencil, then I'm looking for my glasses, then I'm looking for my pencil again.
Ethics and aesthetics are one.
The subject does not belong to the world; rather, it is a limit of the world.
Where two principles really do meet which cannot be reconciled with one another, then each man declares the other a fool and a heretic
Freud's fanciful pseudo-explanations (precisely because they are brilliant) perform a disservice. Now any ass has these pictures available to use in "explaining" symptoms of an illness.
Telling someone something he does not understand is pointless, even if you add that he will not be able to understand it.
Man is the microcosm: I am my world.
When we think about the future of the world, we always have in mind its being where it would be if it continued to move as we see it moving now. We do not realize that it moves not in a straight line and that its direction changes constantly.
What Copernicus really achieved was not the discovery of a true theory but of a fertile new point of view.
Concerning that which cannot be talked about, we should not say anything.
It is a dogma of the Roman Church that the existence of God can be proved by natural reason. Now this dogma would make it impossible for me to be a Roman Catholic. If I thought of God as another being like myself, outside myself, only infinitely more powerful, then I would regard it as my duty to defy him.
If the will did not exist, neither would there be that centre of the world, which we call the I.
I sit astride life like a bad rider on a horse. I only owe it to the horse's good nature that I am not thrown off at this very moment.
[M]an is fulfilling the purpose of existence who no longer needs to have any purpose except to live. That is to say, who is content.
The fact that we can describe the motions of the world using Newtonian mechanics tell us nothing about the world. The fact that we do, does tell us something about the world.
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