Warumi 4 : 16 Romans chapter 4 verse 16

Kwa hiyo ilitoka katika imani, iwe kwa njia ya neema, ili kwamba ile ahadi iwe imara kwa wazao wote; si kwa wale wa torati tu, ila na kwa wale wa imani ya Ibrahimu; aliye baba yetu sisi sote;
soma Mlango wa 4

For this cause it is of faith, that it may be according to grace, to the end that the promise may be sure to all the seed, not to that only which is of the law, but to that also which is of the faith of Abraham, who is the father of us all.