Luke 3:15

And as the people were in expectation, and all men mused in their hearts of John, whether he were the Christ, or not;
— Luke 3:15, King James Version

In other translations

World English Bible (WEB)

As the people were in expectation, and all men reasoned in their hearts concerning John, whether perhaps he was the Christ,

American Standard Version (ASV)

And as the people were in expectation, and all men reasoned in their hearts concerning John, whether haply he were the Christ;

Young's Literal Translation (YLT)

And the people are looking forward, and all are reasoning in their hearts concerning John, whether or not he may be the Christ;