Whoever continues to hold and keep my commands is the one who really loves me, and whoever really loves me will be loved by my Father; yes, I will love him myself and will make myself real to him."

I have loved you just as the Father has loved me. You must remain in my love.

When he reached there and saw the spiritual blessing God had given them, he was delighted, and continuously encouraged them all with hearty purpose to continue to be devoted to the Lord;

So we know by experience and trust the love that God has for us. God is love, and whoever continues to love continues in union with God and God in union with him.

We know that no one who is born of God makes a practice of sinning, but the Son who was born of God continues to keep him, and the evil one cannot touch him.

But they have conquered him because of the blood of the Lamb and because of the message to which they bore testimony, because they did not cling to life but courted death.

The mercy

For while the law was given through Moses, spiritual blessing and truth have come through Jesus Christ.

to Timothy my genuine child in faith: spiritual blessing, mercy, and peace be with you from God our Father and Christ Jesus our Lord.

to my dearly loved child, Timothy: spiritual blessing, mercy, and peace be with you from God our Father and Christ Jesus our Lord.

Unto

so that just as sin had reigned by death, so His favor too might reign in right standing with God which issues in eternal life through Jesus Christ our Lord.

For the wages paid by sin is death, but the gracious gift of God is eternal life through union with Christ Jesus our Lord.

Whoever believes in the Son of God has this testimony in his own heart. Whoever does not believe God has made Him a liar, because he has not believed the testimony that God has borne to His Son.

General references

And the very thing that He Himself has promised us is eternal life.