Definitions
kuwe: grey-lourie. go-away bird
hanga: guinea fowl
Translation
Guinea fowls will come, so save your knobkerries rather than waste them on grey-louries.
Inspiration
A bird hunter stands to benefit more from catching guinea fowl. The birds are popular for their meat and eggs.
Application
When faced with competing demands, one should consider where they stand to benefit more. Prioritising less important matters could prove costly.