John Gill
Added yet this above all,.... This sin to all other sins, and which was of a more flagitious nature; and attended with more aggravating circumstances, especially in the issue of it: that he shut up John in prison; in the castle of Machaerus, by the instigation of Herodias; [See comments on Matthew 14:3].
Matthew Henry
Nothing is related concerning our Lord Jesus from his twelfth year to his entrance on his thirtieth year. We often think it would have been a pleasure and advantage to us if we had journals, or at least annuls, of occurrences concerning him; but we have as much as Infinite Wisdom thought fit to communicate to us, and, if we improve not that, neither should we have improved more if we had had it....