Abstract

The absolute self-evidence of consciousness is due to the fact that the object of consciousness is present or immanent in it. We may therefore formulate the absolutely certain starting point of philosophy as follows: knowledge about an object immanent in consciousness is absolutely certain in so far as it is the actual testimony of the object about itself, and does not go beyond that which is present in consciousness. The criterion of the absolute certainty of such knowledge is self evidence, i.e. the fact that it consists entirely of what is present in consciousness. To doubt such knowledge is absurd because it is not a copy of the object, it is not a symbol of it, but simply and directly contains the object itself as known. I designate the act of the immediate contemplation of objects by the term intuition. According to the epistemological theory which I began to work out in 1903 all our trustworthy knowledge is obtained by means of such immediate observation of objects as they are in themselves; I therefore call my theory of knowledge Intuitivism.