Deuteronomy 18:21-22

Expanded Bible

²¹ You might be ·thinking [^Lsaying in your heart/mind], “How can we know if a message is not from the Lord?” ²² If what a prophet says in the name of the Lord does not happen, it is not the Lord’s message. That prophet was speaking ·his own ideas [presumptuously]. Don’t be afraid of him.