In the first place, the love for truth is inborn when the soul is mature, and the love for truth is a natural outcome of one's whole study. Very often people ask, "What is the nature of truth, is it a theory, a principle, a philosophy, or a doctrine?" All theories, philosophies, principles, and doctrines are only a cover over the truth. The ultimate truth is that which cannot spoken, for words are too inadequate to express it.