Mmangwana o tshwara thipa ka fa bogaleng

A mother holds the knife by its sharp edge.

What it means
A mother will take the cut herself before she lets harm reach her children. Gripping a knife by the blade means accepting the wound so someone else doesn't have to.
Tswana · Southern Africa
Source and context
From: Tswana, Southern Africa
Source: Setswana (Botswana) oral-tradition proverb (Mmangwana o tshwara thipa ka fa bogaleng), documented in Setswana proverb collections

The meaning given here is our own reading. Other interpretations exist.