Who said "Bend and stay whole. Hollow out and get filled."?

Lao Tzu (6th century BC). Source: Tao Te Ching 22.

What is the original Chinese?

曲則全，枉則直，窪則盈. Translated from the original Chinese by Spartan Surfers.

曲則全

Bend and stay whole. Hollow out and get filled.

Lao Tzu, Tao Te Ching 22

The source

"Bend and stay whole. Hollow out and get filled." Lao Tzu said it in Tao Te Ching 22. Translated from the original Chinese by Spartan Surfers.

"曲則全，枉則直，窪則盈"

Original Chinese, Tao Te Ching 22. Chinese: Wang Bi edition via zh.wikisource.

Who said it

Lao Tzu (6th century BC). Keeper of the archives at the Zhou court, by tradition the author of the Tao Te Ching: eighty-one short chapters on water, softness and knowing when to stop.

Questions

Who said "Bend and stay whole. Hollow out and get filled."?: Lao Tzu (6th century BC). Source: Tao Te Ching 22.
What is the original Chinese?: 曲則全，枉則直，窪則盈. Translated from the original Chinese by Spartan Surfers.