Quantitative change: many a mickle makes a muckle? [jīsháo chéng du]？

Basic interpretation? Detailed explanation?

[j . sháo chéng du]

Many a mickle makes a mickle, which can be a huge amount.

tidy

"Biography of Han Shu Dong Zhongshu": "Every little makes a mickle; Many a mickle makes a mickle. "

example sentence

Learning can't be done overnight, only ~ can accumulate wealth and make a fortune.