Luke 1:3-4

it seemed good to me also accurately, from the very beginning, to write them to you in order, most excellent Theophilus,

1 Peter 3:15

But consecrate Christ in your hearts, as Lord. Be always in readiness to make and answer to any one who asks you a reason for the hope that is within you, yet with gentleness and reverence.

John 20:31

but these have been written that you may believe that Jesus is the Christ, the Son of God, and that by believing you may have life in his name.

1 John 5:13

I have written these words to you so that you may know that you have eternal life, you who believe in the name of the Son of God.

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
it seemed good to me also accurately, from the very beginning, to write them to you in order, most excellent Theophilus,
John 20:31
but these have been written that you may believe that Jesus is the Christ, the Son of God, and that by believing you may have life in his name.
1 John 5:13
I have written these words to you so that you may know that you have eternal life, you who believe in the name of the Son of God.

Answer

1 Peter 3:15
But consecrate Christ in your hearts, as Lord. Be always in readiness to make and answer to any one who asks you a reason for the hope that is within you, yet with gentleness and reverence.