Mithali 21 : 20 Proverbs chapter 21 verse 20

Kuna hazina ya thamani na mafuta katika maskani ya mwenye hekima; Bali mwanadamu aliye mpumbavu huyameza.
soma Mlango wa 21

There is precious treasure and oil in the dwelling of the wise; But a foolish man swallows it up.