Bible Verses About All Christians Should Be As Missionaries: In holy conservation

The mouth of the righteous man utters wisdom, and his tongue speaks justice.

The mouth of the righteous brings forth wisdom, but a perverse tongue will be cut out.

The lips of the wise spread knowledge, but not so the hearts of fools.

Let no unwholesome talk come out of your mouths, but only what is helpful for building up the one in need and bringing grace to those who listen.

Let your speech always be gracious, seasoned with salt, so that you may know how to answer everyone.