All the innumerable forms of teh correspond to the norm of Tao, but the nature of the Tao's activity is infinitely abstract and illusive. Illusive and obscure, indeed, but at its heart are p. 21 forms and types. Vague and illusive, indeed, but at its heart is all being. Unfathomable and obscure, indeed, but at its heart is all spirit, and spirit is reality. At its heart is truth.
From of old its expression is unceasing, it has been present at all beginnings. How do I know that its nature is thus? By this same Tao.