Being is born of not being.
That which offers no resistance, overcomes the hardest substances.
Wear down to be renewed.
He does not struggle with anyone - thus no one can vanquish him.
The mark of a moderate man is freedom from his own ideas. Tolerant like the sky, all-pervading like sunlight, firm like a mountain, supple like a tree in the wind, he has no destination in view and makes use of anything life happens to bring his way.
Knowing honor, but clinging to disgrace, you become the valley of the world.