Who said "The Master knows himself but does not show himself."?

This quote is attributed to Lao Tzu.

The Master knows himself but does not show himself. - Lao Tzu

"The Master knows himself but does not show himself."

Lao Tzu

Philosopher Chinese -604–-531

"The Tao that can be told is not the eternal Tao."

"When you realize there is nothing lacking, the whole world belongs to you."

"Do you have the patience to wait till the mud settles and the water is clear?"

"Nature does not hurry, yet everything is accomplished."