2 Peter 1:3

As his divine power has gifted to us all things which are necessary to life and godliness, through the knowledge of him who has called us to glory and virtue.

1 Peter 2:7

To you, then, who trust, it is precious; but to unbelieving- a stone which the builders rejected, which has become the head of the corner-

2 Peter 3:18

But grow in favor, and in the knowledge of our Lord and Saviour Jesus Christ. To him be glory, both now and to the day of eternity. Amen.

1 John 1:3

that which we have seen and heard, we declare to you; that you also may have fellowship with us: and our fellowship truly is with the Father, and with his Son, Jesus Christ.

1 John 2:19

They went away from us, but they were not of us. For, if they had been of us, they would have abode with us; but they went away, that they might be made manifest that they were not of us.

1 John 5:20

Moreover, we know that the Son of God has come, and has given us understanding, that we might know him that is true; and we are in him that is true-in his Son Jesus Christ. This is the true God, and the eternal life.

Treasury of Scripture Knowledge

Summary

Yea doubtless, and I count all things but loss for the excellency of the knowledge of Christ Jesus my Lord: for whom I have suffered the loss of all things, and do count them but dung, that I may win Christ,

Doubtless

Bible References

Doubtless

1 John 2:19
They went away from us, but they were not of us. For, if they had been of us, they would have abode with us; but they went away, that they might be made manifest that they were not of us.

Win

1 John 1:3
that which we have seen and heard, we declare to you; that you also may have fellowship with us: and our fellowship truly is with the Father, and with his Son, Jesus Christ.