Luke 3:15 in the King James Version
And as the people were in expectation, and all men mused in their hearts of John, whether he were the Christ, or not;
Context
14 Soldiers also asked him, saying, “What about us? What must we do?” He said to them, “Extort from no one by violence, neither accuse anyone wrongfully. Be content with your wages.”
15 As the people were in expectation, and all men reasoned in their hearts concerning John, whether perhaps he was the Christ,
16 John answered them all, “I indeed baptize you with water, but he comes who is mightier than I, the strap of whose sandals I am not worthy to loosen. He will baptize you in the Holy Spirit and fire.