21 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 to thee?
Proverbs 22:21 Cross References - Webster
Luke 1:3-4
John 20:31
31 But these are written, that ye may believe that Jesus is the Christ, the Son of God, and that believing ye may have life through his name.
1 Peter 3:15
15 But sanctify the Lord God in your hearts: and be ready always to give an answer to every man that asketh you a reason of the hope that is in you, with meekness and fear.
1 John 5:13
13 These things have I written to you that believe on the name of the Son of God; that ye may know that ye have eternal life, and that ye may believe on the name of the Son of God.