Dai ndakaziva haitungamire.

Zvinorehwa

Kuzeva kana kudemba zvakaitika kunongouya mushure mokunge chaitika chaitika, hakuna anoziva zviri mberi.

What it means

Regretful hindsight always comes after the fact; no one has the foresight to know beforehand.

Word for word

'Had I known' never comes before the event.