Luke 1:3-4

and inasmuch as I have gone carefully over them all myself from the very beginning, I have decided, O Theophilus, to write them out in order for your excellency,

1 Peter 3:15

but reverence Christ as Lord in your own hearts. Always be ready with a reply for anyone who calls you to account for the hope you cherish, but answer gently and with a sense of reverence;

John 20:31

but these Signs are recorded so that you may believe Jesus is the Christ, the Son of God, and believing may have life through his Name.

1 John 5:13

I have written in this way to you who believe in the name of the Son of God, that you may be sure you have life eternal.

Treasury of Scripture Knowledge

Summary

That I might make thee know the certainty of the words of truth; that thou mightest answer the words of truth to them that send unto thee?

Answer

Bible References

I

Luke 1:3
and inasmuch as I have gone carefully over them all myself from the very beginning, I have decided, O Theophilus, to write them out in order for your excellency,
John 20:31
but these Signs are recorded so that you may believe Jesus is the Christ, the Son of God, and believing may have life through his Name.
1 John 5:13
I have written in this way to you who believe in the name of the Son of God, that you may be sure you have life eternal.

Answer

1 Peter 3:15
but reverence Christ as Lord in your own hearts. Always be ready with a reply for anyone who calls you to account for the hope you cherish, but answer gently and with a sense of reverence;