Ephesians 4:29

From your lips let no evil words come forth, but such as occasion warrants, such as are good for upbuilding and give a blessing to the hearers.

Ephesians 5:4

so too with vulgarity and buffoonery and foolish jesting. Such words become you not, but rather thanksgiving.

Colossians 4:4

Pray that I may unfold it as I ought to speak.

James 3:2

For in many respects we often stumble. If any man never stumbles in speech, the same is a perfect man, able to bridle the whole body as well.

Treasury of Scripture Knowledge

Summary

Yea, my reins shall rejoice, when thy lips speak right things.

Bible References

Thy

Ephesians 4:29
From your lips let no evil words come forth, but such as occasion warrants, such as are good for upbuilding and give a blessing to the hearers.
Ephesians 5:4
so too with vulgarity and buffoonery and foolish jesting. Such words become you not, but rather thanksgiving.
Colossians 4:4
Pray that I may unfold it as I ought to speak.
James 3:2
For in many respects we often stumble. If any man never stumbles in speech, the same is a perfect man, able to bridle the whole body as well.