1 John 1:1

The apostle omits his name and character (as also the author to the Hebrews does) either out of humility, or as being willing that the Christian reader should be swayed by the light and weight of the things written rather than by the name that might recommend them. And so he begins, I. With an account or character of the Mediator's person. He is the great subject of the gospel, the foundation and object of our faith and hope, the bond and cement that unite us unto God. He should be well known; and he is represented here, 1. As the Word of life, Jo1 1:1. In the gospel these two are disjoined, and he is called first the Word, Joh 1:1, and afterwards Life, intimating, withal, that he is intellectual life. In him was life, and that life was (efficiently and objectively) the light of men, Joh 1:4. Here both are conjoined: The Word of life, the vital Word. In that he is the Word, it is intimated that he is the Word of some person or other; and that is God, even the Father. He is the Word of God, and so he is intimated to issue from the Father, as truly (though not in the same manner) as a word (or speech, which is a train of words) from a speaker. But he is not a mere vocal word, a bare logos prophorikos, but a vital one: the Word of life, the living word; and thereupon, 1.

— Matthew Henry's Concise Commentary (public domain)