John 8:14

Jesus answered and said to them, Though I bear witness of myself, my witness is true; for I know whence I came, and whither I go; ye know not whence I come, or whither I go.

John 1:17

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

John 8:45-46

But because I speak the truth, ye believe me not.

John 14:6

Jesus saith to him, I am the way, and the truth, and the life; no one cometh to the Father but through me.

John 17:17

Sanctify them in thy truth; thy word is truth.

John 18:37

Pilate therefore said to him, Art thou a king then? Jesus answered, Thou sayest what is true; for I am a king. For this end have I been born, and for this cause have I come into the world, that I may bear witness to the truth. Every one that is of the truth listeneth to my voice.

Revelation 3:14

And to the angel of the church in Laodicea write: These things saith the Amen, the faithful and true witness, 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 through Moses; grace and truth came through Jesus Christ.
John 8:14
Jesus answered and said to them, Though I bear witness of myself, my witness is true; for I know whence I came, and whither I go; ye know not whence I come, or whither I go.
John 14:6
Jesus saith to him, I am the way, and the truth, and the life; no one cometh to the Father but through me.
John 17:17
Sanctify them in thy truth; thy word is truth.
John 18:37
Pilate therefore said to him, Art thou a king then? Jesus answered, Thou sayest what is true; for I am a king. For this end have I been born, and for this cause have I come into the world, that I may bear witness to the truth. Every one that is of the truth listeneth to my voice.
Revelation 3:14
And to the angel of the church in Laodicea write: These things saith the Amen, the faithful and true witness, the beginning of the creation of God: