What is the original Chinese?

與齊俱入，與汩偕出，從水之道，而不爲私焉。. Translated from the original Chinese by Spartan Surfers.

Down with the whirl, up with the surge. Follow the water's way.

Zhuangzi, Zhuangzi 19 (The Full Understanding of Life)

The source

"Down with the whirl, up with the surge. Follow the water's way." Zhuangzi said it in Zhuangzi 19 (The Full Understanding of Life). Translated from the original Chinese by Spartan Surfers.

"與齊俱入，與汩偕出，從水之道，而不爲私焉。"

Original Chinese, Zhuangzi 19 (The Full Understanding of Life). Chinese: Zhuangzi text via zh.wikisource; chapter title after Legge 1891.

Who said it

Zhuangzi (c. 369–286 BC). Taoist storyteller of the butterfly dream, the useless tree and the cook who never dulled his knife.

Questions

Who said "Down with the whirl, up with the surge. Follow the water's way."?: Zhuangzi (c. 369–286 BC). Source: Zhuangzi 19 (The Full Understanding of Life).
What is the original Chinese?: 與齊俱入，與汩偕出，從水之道，而不爲私焉。. Translated from the original Chinese by Spartan Surfers.
Is "Down with the whirl, up with the surge. Follow the water's way." on a shirt?: Yes. It is printed on our tees, from $46, with free US shipping.