After I learned the first three numbers I was given to understand the Great Law of Four — the alpha and omega of all. - Petr Uspensky

We know that with the very first awakening of knowledge, man is confronted with two obvious facts: The existence of the world in which he lives; and the existence of psychic life in himself. Neither of these can he prove or disprove, but they are facts: they constitute reality for him. It is possible to meditate upon the mutual correlation of these two facts. It is possible to try to reduce them to one; that is, to regard the psychic or inner world as a part, reflection, or function of the world, or the world as a part, reflection, or function of that inner world. But such a procedure constitutes a departure from facts, and all such considerations of the world and of the self, to the ordinary non-philosophical mind, will not have the character of obviousness. On the contrary the sole obvious fact remains the antithesis of I and Not-I — our inner psychic life and the outer world.

This finding or inventing of words for incomprehensible things has nothing to do with understanding. On the contrary, if we could get rid of half of our words perhaps we should have a better chance of a certain understanding.

Psychology is sometimes called a new science. This is quite wrong. Psychology is, perhaps, the oldest science, and, unfortunately, in its most essential features a forgotten science.