John 8:14

Jesus answered, "Even if I bear witness of myself, my testimony is true, for I know where I came from and where I am going; but you do not know where I come from and where I am going.

John 1:17

For the law was given through Moses; grace and truth came through Jesus Christ.

John 8:45-46

But because I tell the truth, you do not believe me.

John 14:6

Jesus said to him, "I am the way, and the truth, and the life. No one comes to the Father except through me.

John 17:17

Sanctify them by the truth; your word is truth.

John 18:37

Pilate said to him, "You are a king then?" Jesus answered, "You say what I ama king. For this I was born, and for this I have come into the world, to bear witness to the truth. Everyone who is of the truth hears my voice."

Revelation 3:14

"And to the angel of the church in Laodicea write: 'These are the words of the Amen, the faithful and true witness, the beginning of God's creation:

Treasury of Scripture Knowledge

Summary

For my mouth shall speak truth; and wickedness is an abomination to my lips.

Bible References

My mouth

John 1:17
For the law was given through Moses; grace and truth came through Jesus Christ.
John 8:14
Jesus answered, "Even if I bear witness of myself, my testimony is true, for I know where I came from and where I am going; but you do not know where I come from and where I am going.
John 14:6
Jesus said to him, "I am the way, and the truth, and the life. No one comes to the Father except through me.
John 17:17
Sanctify them by the truth; your word is truth.
John 18:37
Pilate said to him, "You are a king then?" Jesus answered, "You say what I ama king. For this I was born, and for this I have come into the world, to bear witness to the truth. Everyone who is of the truth hears my voice."
Revelation 3:14
"And to the angel of the church in Laodicea write: 'These are the words of the Amen, the faithful and true witness, the beginning of God's creation: