For after all what is man in nature? A nothing in relation to infinity, all in relation to nothing, a central point between nothing and all and infinitely far from understanding either. The ends of things and their beginnings are impregnably concealed from him in an impenetrable secret. He is equally incapable of seeing the nothingness out of which he was drawn and the infinite in which he is engulfed.
Blaise PascalKnowledge has two extremes. The first is the pure natural ignorance in which all men find themselves at birth. The other extreme is that reached by great minds, who, having run through all that men can know, find they know nothing, and come back again to that same natural ignorance from which they set out; this is a learned ignorance which is conscious of itself.
Blaise PascalThe greatness of man is so evident that it is even proved by his wretchedness. For what in animals is nature, we call in man wretchedness--by which we recognize that, his nature being now like that of animals, he has fallen from a better nature which once was his.
Blaise Pascal