Proverbs 22:21

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

Luke 1:3-4

It seemed good to me also, having had perfect understanding of all things from the very first, to write unto you in order, most excellent Theophilus,

1 Peter 3:15

But sanctify the Lord God in your hearts: and be ready always to give an answer to every man that asks you a reason of the hope that is in you with meekness and fear:

John 20:31

But these are written, that you might believe that Jesus is the Christ, the Son of God; and that believing you might have life through his name.

1 John 5:13

These things have I written unto you that believe on the name of the Son of God; that you may know that you have eternal life, and that you may believe on 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

General references

Bible References

I

Luke 1:3
It seemed good to me also, having had perfect understanding of all things from the very first, to write unto you in order, most excellent Theophilus,
John 20:31
But these are written, that you might believe that Jesus is the Christ, the Son of God; and that believing you might have life through his name.
1 John 5:13
These things have I written unto you that believe on the name of the Son of God; that you may know that you have eternal life, and that you may believe on the name of the Son of God.

Answer

1 Peter 3:15
But sanctify the Lord God in your hearts: and be ready always to give an answer to every man that asks you a reason of the hope that is in you with meekness and fear:

General references

Proverbs 18:20
A man's stomach shall be satisfied with the fruit of his mouth; and with the increase of his lips shall he be filled.