Man must learn to know the universe precisely as it is, or he cannot successfully find his place in it. A man should therefore use his reasoning faculty in all matters involving truth, and especially as concerning his religion. He must learn to distinguish between truth and error.
Consider the concepts referred to in the words 'where', 'when', 'why', 'being', to the elucidation of which innumerable volumes of philosophy have been devoted. We fare no better in our speculations than a fish which should strive to become clear as to what is water.