ちりも積もれば山となる

ちりもつもればやまとなる

塵も積もれば山となる塵も積もれば山と成る

[chirimotsumorebayamatonaru]

Definitions

1.expressions (phrases, clauses, etc.); Godan verb with 'ru' ending

many a little makes a mickle; every little helps; even dust becomes a mountain if piled together