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

The mouth of the righteous speaketh wisdom, and his tongue talketh of judgment.

¶ The mouth of the just bringeth forth wisdom: but the froward tongue shall be cut out.

¶ The lips of the wise disperse knowledge: but the heart of the foolish doeth not so.

Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.

Let your speech be alway with grace, seasoned with salt, that ye may know how ye ought to answer every man.