Proverbs 26:18-19

18 Like a madman who throws firebrands, arrows, and death,
19 is the man who deceives his neighbor and says, "I am only joking!"
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.