All things bear record · 2 Timothy
7 witnesses of Christ here.
Jesus — Jehovah saves; Christ — the Anointed One
Paul, an apostle of Jesus Christ by the will of God, according to the promise of life which is in Christ Jesus, 2 Timothy 1:1–2
Paul's apostleship serves the promise of eternal life that is found in Christ Jesus.
How we know: the verse itself names Him · the chapter heading names Him
Be not thou therefore ashamed of the testimony of our Lord, nor of me his prisoner: but be thou partaker of the afflictions of the gospel according to the power of God; 2 Timothy 1:8
Timothy should not be embarrassed to testify of the Lord Jesus or of Paul, imprisoned for Him.
How we know: the chapter heading names Him
Jesus — Jehovah saves; Christ — the Anointed One
Who hath saved us, and called us with an holy calling, not according to our works, but according to his own purpose and grace, which was given us in Christ Jesus before the world began, 2 Timothy 1:9
Before this earth was made, the Father's plan already provided a Savior. Grace was prepared for us in Christ from the premortal world.
How we know: the verse itself names Him · the chapter heading names Him
Jesus — Jehovah saves; Christ — the Anointed One
But is now made manifest by the appearing of our Saviour Jesus Christ, who hath abolished death, and hath brought life and immortality to light through the gospel: 2 Timothy 1:10
Jesus came to earth and broke the power of death through His Resurrection, revealing immortality and eternal life for all.
How we know: the verse itself names Him · the chapter heading names Him · a footnote points to Him · a Church study aid lists it
For the which cause I also suffer these things: nevertheless I am not ashamed: for I know whom I have believed, and am persuaded that he is able to keep that which I have committed unto him against that day. 2 Timothy 1:12
"Whom" is Christ. Paul trusts Him completely to keep safe what Paul has entrusted to Him until the day of judgment.
How we know: the chapter heading names Him
Jesus — Jehovah saves; Christ — the Anointed One
Hold fast the form of sound words, which thou hast heard of me, in faith and love which is in Christ Jesus. 2 Timothy 1:13
Sound teaching is held in faith and love centered in Christ.
How we know: the verse itself names Him · the chapter heading names Him
The Lord grant unto him that he may find mercy of the Lord in that day: and in how many things he ministered unto me at Ephesus, thou knowest very well. 2 Timothy 1:18
Paul prays that Onesiphorus will receive mercy on the day of judgment, when the Lord, who is Christ as Judge, weighs our lives.
How we know: the chapter heading names Him