1 John 4:6
We are of God: he who know God, hearkens to us; he who is not of God, hearkens not to us. By this we know the spirit of truth, and the spirit of error.
1 John 3:19
For by this we know that we are of the truth, and shall assure our hearts before him.
1 Peter 1:22
Wherefore, having purified your souls by obeying the truth, through the Spirit, to unfeigned brotherly love, love one another, from a pure heart, fervently:
1 John 3:14
We know that we have passed away from death to life, because we love the brethren. He who loves not his brother, abides in death.
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.
Revelation 1:4
John, to the seven congregation which are in Asia; favor and peace be with you, from him who is, and who was, and who is to come; and from the seven spirits which are before his throne;
Revelation 3:14
And by the messenger of the congregation in Laodicea, write: These things says the AMEN, the Faithful and true Witness, the Beginning of the creation of God: