As the saying goes, natural justice generally refers to "heaven"
Heaven-the law of nature
"Tao" is an important philosophical category of ancient philosophy in China and even in the East, representing the ultimate truth, origin, noumenon, law, principle and realm.
For example:
Brutality and barbarism are not allowed by nature.
Justice: Heaven; Rong: tolerance, tolerance. The old one means doing things cruelly, destroying human nature, and god forbid.