Luke 1:1

Since many have undertaken to arrange the narration concerning things rendered perfectly certain among us,

John 20:31

But these have been written, that ye might believe that Jesus is Christ, the Son of God; and that believing ye might have life in his name.

Acts 1:1-3

Truly the first word had I made of all things, O Theophilus, of which Jesus began to do and also to teach,

2 Peter 1:16-19

For not having followed ingeniously contrived fictions, we made known to you the power and presence of our Lord Jesus Christ, but having been spectators of his majesty.

1 Timothy 3:16

And manifestly great is the mystery of devotion: God was manifested in the flesh, was justified in the Spirit, was seen by angels, was proclaimed in the nations, was believed on in the world, was received up in glory.

2 Timothy 4:17

But the Lord stood with me, and strengthened me; that by me the promulgation might be rendered perfectly certain, and all the nations might hear: and I was delivered out of the lion's mouth.

Treasury of Scripture Knowledge

Summary

Forasmuch as many have taken in hand to set forth in order a declaration of those things which are most surely believed among us,

Bible References

Those

John 20:31
But these have been written, that ye might believe that Jesus is Christ, the Son of God; and that believing ye might have life in his name.
Acts 1:1
Truly the first word had I made of all things, O Theophilus, of which Jesus began to do and also to teach,
1 Timothy 3:16
And manifestly great is the mystery of devotion: God was manifested in the flesh, was justified in the Spirit, was seen by angels, was proclaimed in the nations, was believed on in the world, was received up in glory.
2 Peter 1:16
For not having followed ingeniously contrived fictions, we made known to you the power and presence of our Lord Jesus Christ, but having been spectators of his majesty.