Berean Standard Bible (BSB)
And the LORD said, “If they refuse to believe you or heed the witness of the first sign, they may believe that of the second.
World English Bible (WEB)
“It will happen, if they will neither believe you nor listen to the voice of the first sign, that they will believe the voice of the latter sign.
Strong's King James
And it shall come to pass, if they will not believe{H539}{(H8686)} thee, neither hearken{H8085}{(H8799)} to the voice{H6963} of the first{H7223} sign{H226}, that they will believe{H539}{(H8689)} the voice{H6963} of the latter{H314} sign{H226}.
The F.O.G *
The F.O.G Message *
Young's Literal Translation
‘—and it hath come to pass, if they do not give credence to thee, and hearken not to the voice of the first sign, that they have given credence to the voice of the latter sign.