What did MLK mean when he said "justice rolls down like waters, and righteousness like a mighty stream" I looked it up online but I didn't understand any of the meanings online

Explanation:

Martin Luther King Jr. understood that life-giving water holds potential to be placid and potent, resilient and renewing, fluid yet forceful. In his historic “ I Have a Dream ” speech during the 1963 March on Washington, King declared: “We will not be satisfied until justice rolls down like waters and righteousness like a mighty stream.”

ps. i did found this i did not come up with this i do not want to take credit

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.

a phrase is a set of word that make a sense, an expression formed by two or more words.

" teacher´s dictum on the possession of human "

" made a pile practicing "

" lived to an impressive age and dies "

a clause, in a grammar way is a series of words that have a complete meaning.

" was irritated by the persecution of those who called themselves "