Answer
Ephesians 4:29
Let no corrupting talk come out of your mouths, but only such as is good for building up, as fits the occasion, that it may give grace to those who hear.
Ephesians 5:4-5
Let there be no filthiness nor foolish talk nor crude joking, which are out of place, but instead let there be thanksgiving. For you may be sure of this, that everyone who is sexually immoral or impure, or who is covetous (that is, an idolater), has no inheritance in the kingdom of Christ and God.
James 5:12
But above all, my brothers, do not swear, either by heaven or by earth or by any other oath, but let your “yes” be yes and your “no” be no, so that you may not fall under condemnation.
Matthew 5:33-37
Again you have heard that it was said to those of old, ‘You shall not swear falsely, but shall perform to the Lord what you have sworn.’ But I say to you, Do not take an oath at all, either by heaven, for it is the throne of God, or by the earth, for it is his footstool, or by Jerusalem, for it is the city of the great King. And do not take an oath by your head, for you cannot make one hair white or black. Let what you say be simply ‘Yes’ or ‘No’; anything more than this comes from evil.
Matthew 12:36
I tell you, on the day of judgment people will give account for every careless word they speak,
Luke 6:45
The good person out of the good treasure of his heart produces good, and the evil person out of his evil treasure produces evil, for out of the abundance of the heart his mouth speaks.
Exodus 20:7
You shall not take the name of the Lord your God in vain, for the Lord will not hold him guiltless who takes his name in vain.
1 Corinthians 3:16
Do you not know that you are God’s temple and that God’s Spirit dwells in you?
Colossians 3:8
But now you must put them all away: anger, wrath, malice, slander, and obscene talk from your mouth.
Ephesians 5:4
Let there be no filthiness nor foolish talk nor crude joking, which are out of place, but instead let there be thanksgiving.
Hosea 4:2
There is swearing, lying, murder, stealing, and committing adultery; they break all bounds, and bloodshed follows bloodshed.
James 3:10
From the same mouth come blessing and cursing. My brothers, these things ought not to be so.
James 1:26
If anyone thinks he is religious and does not bridle his tongue but deceives his heart, this person's religion is worthless.
Proverbs 18:21
Death and life are in the power of the tongue, and those who love it will eat its fruits.
1 Peter 3:10
For “Whoever desires to love life and see good days, let him keep his tongue from evil and his lips from speaking deceit;"
2 Timothy 2:16
But avoid irreverent babble, for it will lead people into more and more ungodliness,
Colossians 4:6
Let your speech always be gracious, seasoned with salt, so that you may know how you ought to answer each person.
Luke 6:28
Bless those who curse you, pray for those who abuse you.
James 4:7
Submit yourselves therefore to God. Resist the devil, and he will flee from you.
Matthew 15:11
It is not what goes into the mouth that defiles a person, but what comes out of the mouth; this defiles a person.
Unless otherwise noted, all Bible verses are from The Holy Bible, English Standard Version® Copyright© 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.
Special thanks to OpenBible.info for the data on the most well-known Bible verses.
