Colossians 4:6 in the King James Version
Let your speech be alway with grace, seasoned with salt, that ye may know how ye ought to answer every man.
Context
5 Walk in wisdom toward those who are outside, redeeming the time.
6 Let your speech always be with grace, seasoned with salt, that you may know how you ought to answer each one.
7 All my affairs will be made known to you by Tychicus, the beloved brother, faithful servant, and fellow bondservant in the Lord.