1 John 5:10-12

(He who believes on the Son of God, has the testimony in himself. He who believes not God, has made him a liar, because he has not believed the testimony, which God has testified concerning his Son.)

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

If so be that ye have heard him, and have been taught by him, as the truth is in Jesus:

Bible References

As

1 John 5:10
(He who believes on the Son of God, has the testimony in himself. He who believes not God, has made him a liar, because he has not believed the testimony, which God has testified concerning his Son.)