Waebrania 6 : 13 Hebrews chapter 6 verse 13

Kwa maana Mungu, alipompa Ibrahimu ahadi, kwa sababu alikuwa hana mkubwa kuliko yeye mwenyewe wa kumwapa, aliapa kwa nafsi yake,
soma Mlango wa 6

For when God made a promise to Abraham, since he could swear by none greater, he swore by himself,