Chapter 6 - Source of All

The nature of the Dao is a continuation;
It is the source of all creation.
The doorway to this source,
Is also the root of heaven and earth.
On and on it goes,
Emptiness with substance,
And infinite in its use.

谷神不死，是谓玄牝。玄牝之门，是谓天地之根。绵绵呵！其若存！用之不堇。