Mark 3:28-29

28 "Truly I tell you, people will be forgiven for their sins and whatever blasphemies they utter;
29 but whoever blasphemes against the Holy Spirit can never have forgiveness, but is guilty of an eternal sin"—
New Revised Standard Version Bible, copyright 1989, 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.