Ephesians 4:30 in the King James Version
And grieve not the holy Spirit of God, whereby ye are sealed unto the day of redemption.
Context
29 Let no corrupt speech proceed out of your mouth, but only what is good for building others up as the need may be, that it may give grace to those who hear.
30 Don’t grieve the Holy Spirit of God, in whom you were sealed for the day of redemption.
31 Let all bitterness, wrath, anger, outcry, and slander be put away from you, with all malice.