John Gill
I have many things to write,.... With regard to churches, and particular persons, and concerning hospitality to the poor brethren: but I will not with ink and pen write unto thee; suggesting he should take another method of communicating his mind to him, which he next mentions.
Matthew Henry
Salutation and Prayer. (a. d. 90.) 1 The elder unto the wellbeloved Gaius, whom I love in the truth. 2 Beloved, I wish above all things that thou mayest prosper and be in health, even as thy soul prospereth. Here we see, I. The sacred penman who writes and sends the letter; not here indeed notified by his name, but a more general character: The elder, he that is so by years and by office; honour...