What does the idiom "many a mickle makes a mickle" mean?

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Accumulation: refers to a large amount of sufficient savings; Hair thinning: refers to a small amount of slow release. Save more and let it out slowly. It is described that only through the long-term quantitative change process can we accumulate strength to lay a solid foundation, establish a sound and stable strength to get a qualitative breakthrough, and make steady progress without revealing flaws.

Accumulate a lot: refers to the full accumulation of knowledge and experience, and then, be modest and prudent. Heaven rewards diligence, which means no pains, no gains, and it is praised as more pains and more gains by ancient and modern Chinese and foreign countries.