John 8:14

In reply Jesus said to them. "Even if I do bear testimony to concerning myself, my testimony is true, because I know where I have come from and where I am going. But you do not know where I have come from, or where I am going.

John 1:17

For the Law was given by Moses, but grace and truth came through Jesus Christ.

John 8:45-46

"But as for me, it is because I speak the truth to you that you do not believe me.

John 14:6

Jesus answered him. "I am the Way, the Truth and the Life. No man ever comes to the Father but by me.

John 17:17

Dedicate them in thy truth; thy word is truth.

John 18:37

"You are a king, then? You!" said Pilate. "You say truly that I am a king." answered Jesus, "for this purpose I was born, and to this end came I into the world, that I should bear witness to the truth. Every man who is of the truth listens to my voice."

Revelation 3:14

To the angel of the Church in Laodicea, write. These things says the Amen, the witness, faithful and true, the beginning of the creation of God.

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 by Moses, but grace and truth came through Jesus Christ.
John 8:14
In reply Jesus said to them. "Even if I do bear testimony to concerning myself, my testimony is true, because I know where I have come from and where I am going. But you do not know where I have come from, or where I am going.
John 14:6
Jesus answered him. "I am the Way, the Truth and the Life. No man ever comes to the Father but by me.
John 17:17
Dedicate them in thy truth; thy word is truth.
John 18:37
"You are a king, then? You!" said Pilate. "You say truly that I am a king." answered Jesus, "for this purpose I was born, and to this end came I into the world, that I should bear witness to the truth. Every man who is of the truth listens to my voice."
Revelation 3:14
To the angel of the Church in Laodicea, write. These things says the Amen, the witness, faithful and true, the beginning of the creation of God.