The tao that can be told is not the eternal Tao The name that can be named is not the eternal Name. The unnamable is the eternally real. Naming is the origin of all particular things. Free from desire, you realize the mystery. Caught in desire, you see only the manifestations. Yet mystery and manifestations arise from the same source. This source is called darkness. Darkness within darkness. The gateway to all understanding.
So sometimes things are ahead and sometimes they are behind; Sometimes breathing is hard, sometimes it comes easily; Sometimes there is strength and sometimes weakness; Sometimes one is up and sometimes down. Therefore the sage avoids extremes, excesses, and complacency.
The gentlest thing in the world overcomes the hardest thing in the world. That which has no substance enters where there is no space. This shows the value of non-action. Teaching without words, performing without actions: that is the Master's way.
When virtue is lost, benevolence appears, when benevolence is lost right conduct appears, when right conduct is lost, expedience appears. Expediency is the mere shadow of right and truth; it is the beginning of disorder.
If you go searching for the Great Creator, you will come back empty-handed. The source of the universe is ultimately unknowable, a great invisible river flowing forever through a vast and fertile valley. Silent and uncreated, it creates all things.