Exodus 4:8

8 Then the LORD said, “If they do not believe you or pay attention to the first sign, they may believe the second.

Read Exodus 4:8 Using Other Translations

And it shall come to pass, if they will not believe thee, neither hearken to the voice of the first sign, that they will believe the voice of the latter sign.
"If they will not believe you," God said, "or listen to the first sign, they may believe the latter sign.
The LORD said to Moses, “If they do not believe you and are not convinced by the first miraculous sign, they will be convinced by the second sign.

What does Exodus 4:8 mean?

John Gill's Exposition of the Bible
Exodus 4:8

And it shall come to pass, if they will not believe thee
Will not give credit to the commission he had from God, but question the truth of it: neither hearken to the voice of the first sign;
which miracle wrought, spoke plain enough that he that wrought it, or for whose sake it was wrought, must be one come from God, or such a miracle would never be wrought by him or for him; but should any of the Israelites be still incredulous, it is supposed, that they will believe the voice of the latter sign;
which had a voice in it commanding belief that he was a messenger of God; the first sign respects his rod, the other his hand.

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