Berean Standard Bible (BSB)
For if the inheritance depends on the law, then it no longer depends on a promise; but God freely granted it to Abraham through a promise.
World English Bible (WEB)
For if the inheritance is of the law, it is no more of promise; but God has granted it to Abraham by promise.
Strong's King James
For{G1063} if{G1487} the inheritance{G2817} be of{G1537} the law{G3551}, it is no more{G3765} of{G1537} promise{G1860}: but{G1161} God{G2316} gave{G5483}{(G5766)} it to Abraham{G11} by{G1223} promise{G1860}.
The F.O.G *
(18) For if the inheritance is from Torah-Law, it's no longer from a promise-vow but יהוה YAHWEH granted it to Avraham through a promise-vow!
The F.O.G Message *
Young's Literal Translation
for if by law be the inheritance, it is no more by promise, but to Abraham through promise did God grant it.