Commentaries:
Jamieson, Fausset, and Brown
quickeneth all things—that is, "maketh alive." But the oldest manuscripts read, "preserveth alive"; as the same Greek means in Acts 7:19; compare Nehemiah 9:6. He urges Timothy to faithfulness here by the present manifestation of God's power in preserving all things, as in I Timothy 6:14, by the future manifestation of God's power at the appearing of Christ. The assurance that "eternal life," I Timothy 6:12, will be the result of "fighting the good fight," rests on the fulness and power of Him who is the God of all life, present and to come.
witnessed—It was the Lord's part to witness, Timothy's part to confess (or "profess," I Timothy 6:12) "the good confession" [BENGEL]. The confession was His testimony that He was King, and His kingdom that of the truth (see on I Timothy 6:12; I Timothy 6:15; Matthew 27:11). Christ, in attesting, or bearing witness to this truth, attested the truth of the whole of Christianity. Timothy's profession, or confession, included therefore the whole of the Christian truth.
Other Jamieson, Fausset, and Brown entries containing 1 Timothy 6:13:
Mark 14:62
John 18:37
Ephesians 5:5
1 Timothy 6:12
2 Timothy 1:8
Revelation 3:14
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