Revelation 14:5

"And in their mouth was found no guile: for they are without fault before the throne of God."

Cross References (ranked by relevance)

Ephesians 5:27

That he might present it to himself a glorious church, not having spot, or wrinkle, or any such thing; but that it should be holy and without blemish.

Zephaniah 3:13

The remnant of Israel shall not do iniquity, nor speak lies; neither shall a deceitful tongue be found in their mouth: for they shall feed and lie down, and none shall make them afraid.

Psalm 32:2

Blessed is the man unto whom the LORD imputeth not iniquity, and in whose spirit there is no guile.

John 1:47

Jesus saw Nathanael coming to him, and saith of him, Behold an Israelite indeed, in whom is no guile!

Jude 1:24

Now unto him that is able to keep you from falling, and to present you faultless before the presence of his glory with exceeding joy,

1 Peter 3:10

For he that will love life, and see good days, let him refrain his tongue from evil, and his lips that they speak no guile:

Colossians 1:22

In the body of his flesh through death, to present you holy and unblameable and unreproveable in his sight:

Hosea 10:2

Their heart is divided; now shall they be found faulty: he shall break down their altars, he shall spoil their images.

Daniel 6:4

Then the presidents and princes sought to find occasion against Daniel concerning the kingdom; but they could find none occasion nor fault; forasmuch as he was faithful, neither was there any error or fault found in him.

Luke 23:4

Then said Pilate to the chief priests and to the people, I find no fault in this man.

Proverbs 8:8

All the words of my mouth are in righteousness; there is nothing froward or perverse in them.

Matthew 12:34

O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.

Psalm 34:13

Keep thy tongue from evil, and thy lips from speaking guile.

Isaiah 53:9

And he made his grave with the wicked, and with the rich in his death; because he had done no violence, neither was any deceit in his mouth.

Song of Solomon 4:7

Thou art all fair, my love; there is no spot in thee.

Psalm 55:11

Wickedness is in the midst thereof: deceit and guile depart not from her streets.