Mhubiri 12 : 12 Ecclesiastes chapter 12 verse 12

Tena, zaidi ya hayo, mwanangu, kubali maonyo; hakuna mwisho wo wote wa kutunga vitabu vingi; na kusoma sana huuchosha mwili.
soma Mlango wa 12

Furthermore, my son, be admonished: of making many books there is no end; and much study is a weariness of the flesh.