He must increase,— "I am not ignorant that his fame and the number of his disciples shall every day increase, while mine shall decrease; for he is a person of infinitely greater dignity than I am, possesses far more intimate knowledge of the divine will; and the discoveries which he makes thereof as far transcend mine, as heaven exceeds earth."
Related Commentaries of John 3:30
John 3:30-31
30 He must increase, but I must decrease.
31 He that cometh from above is above all: he that is of the earth is earthly, and speaketh of the earth: he that cometh from heaven is above all.