And I knew him not: but that he should be made manifest to Israel, therefore am I come baptizing with water.
31. And I knew him not. That his testimony may not be suspected of having been given either from friendship or favor, he anticipates such a doubt, by affirming that he had no other knowledge of Christ than what he had obtained by divine inspiration.
We have in these verses an account of John's testimony concerning Jesus Christ, which he witnessed to his own disciples that followed him. As soon as ever Christ was baptized he was immediately hurried into the wilderness, to be tempted; and there he was forty days.
Commenting on John 1:29-36
And I knew him not,.... "by sight", as Nonnus paraphrases it; personally he had never seen him, nor had had any conversation and familiarity with him; for though they were related to each other, yet lived at such a distance, as not to know one another, or have a correspondence with each other: John was in the deserts, until the day of his showing unto...