Who said "The one who sees emptiness and laughs has found the key."?

This quote is attributed to Lao Tzu.

The one who sees emptiness and laughs has found the key. - Lao Tzu

"The one who sees emptiness and laughs has found the key."

Lao Tzu Humor

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."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."