It's the very essence of human beings to call in question every form of life, every form of thought, and to raise the possibility of thinking and living in some other way, and perhaps just for this very reason, some final and definitive formulation of the, of human nature, of human knowledge, of human conduct, is in principle unobtainable, and that the best that the philosopher can ever hope to do, is to show that this formulation, that formulation or the other won't work.
