The heart of the tao. All the many forms of virtue flow from the Tao. But the nature of the Tao is infinitely elusive. Elusive indeed, but at its heart is all being. Unfathomable indeed, but at its heart is all spirit. And spirit is reality. At its heart is truth. That task Tao is eternal and unceasing. It is present at all beginnings. How do I know this? By the same tao