Hauzivi tsanga inokodza tsambakodzi.

Zvinorehwa

Hauzivi kuti ndechipi chikamu chiduku chichazobatsira kukubudirira, saka usazvidza mikana miduku.

What it means

You never know in advance which small effort or opportunity will be the one that brings success, so do not dismiss small chances.

Word for word

You never know which single grain will be the one to fatten the tsambakodzi bird.