2 Timothy 2:13; 2 Timothy 3:14; 2 Timothy 4:20

13 If we believe not , yet he abideth faithful: he cannot deny himself.
14 But continue thou in the things which thou hast learned and hast been assured of , knowing of whom thou hast learned them;
20 Erastus abode at Corinth: but Trophimus have I left at Miletum sick .