God blessed the verbal testimony that John had given so far, that they stood in no need of any miracle to confirm it, but upon their hearing John speak, they followed Jesus: as yet, not as his apostles; for their call to that office was afterward (as we shall hear); nor yet, so as no more to depart from him: but there was created in them a further desire of knowledge of him and acquaintance with him.
Related Commentaries of John 1:37
John 1:37
37 And the two disciples heard him speak, and they followed Jesus.