Charles Spurgeon Commentary Luke 7:19

"And John calling unto him two of his disciples sent them to the Lord, saying, Art thou he that cometh, or look we for another?" — Luke 7:19 (ASV)

Did John doubt, then? Perhaps not. It may be that he saw that his disciples doubted, and that he wished their fears to be removed. It is possible, however, that he did himself have doubts.

It is no unusual thing for the bravest hearts to be subject to fits of doubt. Elijah, you remember, sat under a juniper tree in the wilderness, and he requested for himself that he might die, though he was the man who never was to die. And John, – the Elijah of the Christian dispensation, though a man of iron, was but a man, so he sent two of his disciples to Jesus, saying, Art thou he that should come, or look we for another?