Galatians 3:17-19

Young's Literal Translation

¹⁷ and this I say, A covenant confirmed before by God to Christ, the law, that came four hundred and thirty years after, doth not set aside, to make void the promise,

¹⁸ for if by law [be] the inheritance, [it is] no more by promise, but to Abraham through promise did God grant [it].

¹⁹ Why, then, the law? on account of the transgressions it was added, till the seed might come to which the promise hath been made, having been set in order through messengers in the hand of a mediator --