John Chrysostom
“To Timothy, my beloved son.” Not simply “son,” but “beloved.” There can be children who are not loved. But you are not such a one, he says, and therefore I do not simply call you “son,” but “beloved son.”
He also calls the Galatians children, yet he grieves over them: “My children, for whom I again suffer the pains of birth” (Gal 4:19). By calling him beloved, he bears witness to his great virtue. How so? When love is not from nature, it is from virtue.
Those born of us are dear to us not only because of their virtue, but also by the demand of nature. Those beloved according to faith are such for no other reason than virtue. And how could it be otherwise, especially with Paul, who did nothing from partiality?
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Moreover, by the expression “beloved son,” he shows that he did not fail to come to him because he was angry with him, or despised him, or disapproved of him.
“Grace, mercy, peace from God the Father and Christ Jesus our Lord.” What he wished him before, he wishes him now as well. Notice how, from the very beginning, he defends himself before him for not coming to see him. The words “until I come,” and again, “I write, hoping to come to you shortly” (1 Tim 4:13; 1 Tim 3:14), had made him expect his arrival soon.
Therefore he immediately offers his defense. Yet he does not at once state the reason why he did not come, so as not to grieve him too much. The reason was that he had been detained by Caesar. Only at the end, when he invites him to himself, does he reveal it. At the beginning he does not grieve him, but expresses the hope of seeing him: “I long to see you,” and, “Be diligent to come to me quickly” (2 Tim 1:4; 2 Tim 4:9).