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.
Let the words of my mouth and the meditation of my heart be acceptable in your sight, O Lord, my rock and my redeemer.
For by your words you will be justified, and by your words you will be condemned.
I tell you, on the day of judgment people will give account for every careless word they speak,
And whatever you do, in word or deed, do everything in the name of the Lord Jesus, giving thanks to God the Father through him.
Gracious words are like a honeycomb, sweetness to the soul and health to the body.
But now you must put them all away: anger, wrath, malice, slander, and obscene talk from your mouth.
1 Corinthians 10:31
So, whether you eat or drink, or whatever you do, do all to the glory of God.
A word fitly spoken is like apples of gold in a setting of silver.
Death and life are in the power of the tongue, and those who love it will eat its fruits.
But sexual immorality and all impurity or covetousness must not even be named among you, as is proper among saints. 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.
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.
For the word of God is living and active, sharper than any two-edged sword, piercing to the division of soul and of spirit, of joints and of marrow, and discerning the thoughts and intentions of the heart.
Do you see a man who is hasty in his words? There is more hope for a fool than for him.
Let your speech always be gracious, seasoned with salt, so that you may know how you ought to answer each person.
When words are many, transgression is not lacking, but whoever restrains his lips is prudent.
There is one whose rash words are like sword thrusts, but the tongue of the wise brings healing.
So shall my word be that goes out from my mouth; it shall not return to me empty, but it shall accomplish that which I purpose, and shall succeed in the thing for which I sent it.
A soft answer turns away wrath, but a harsh word stirs up anger.
Whoever guards his mouth preserves his life; he who opens wide his lips comes to ruin.
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.