"And anyone who speaks a word against the Son of Man, it will be forgiven him; but to him who blasphemes against the Holy Spirit, it will not be forgiven.
Luke 12:10
Surrounding context
12:9 But he who denies Me before men will be denied before the angels of God.
12:10 "And anyone who speaks a word against the Son of Man, it will be forgiven him; but to him who blasphemes against the Holy Spirit, it will not be forgiven.
12:11 "Now when they bring you to the synagogues and magistrates and authorities, do not worry about how or what you should answer, or what you should say.