2 Wakorintho 10 : 16 2nd Corinthians chapter 10 verse 16

hata kuihubiri Injili katika nchi zilizo mbele kupita nchi zenu; tusijisifu katika kipimo cha mtu mwingine kwa mambo yaliyokwisha kutengenezwa.
soma Mlango wa 10

so as to preach the Gospel even to the parts beyond you, not to boast in what someone else has already done.