Job 33:3
I speak from the innocence of my heart; and my lips will utter what I sincerely know.
Job 27:4
I won't speak lies nor will I utter deceit.
Job 6:28
Now be willing to face me, and I won't lie to your face.
Job 15:2
"Should a wise person respond with knowledge based on wind? Should he fill his stomach with a wind storm from the east?
Job 36:3-4
I'll take what I know to its logical conclusion and ascribe righteousness to my Creator,
Job 38:2
"Who is this who keeps darkening my counsel without knowing what he's talking about?
Psalm 37:30-31
The mouth of the righteous one produces wisdom; his tongue speaks justice.
Proverbs 8:7-8
For my mouth speaks the truth wickedness is detestable to me.
Proverbs 15:2
The wise speak, presenting knowledge appropriately, but fools spout foolishness.
Proverbs 15:7
What the wise have to say disseminates knowledge, but it's not in the heart of fools to do so.
Proverbs 20:15
There is an abundance of gold and precious stones, but lips of knowledge are a rare jewel.
1 Thessalonians 2:3-4
For our appeal to you does not spring from deceit, impure motives, or trickery.