Matthew 12:29-39

29 Or how can any one enter into the house of the strong [man] and plunder his goods, unless first he bind the strong [man]? and then he will plunder his house.
30 He that is not with me is against me, and he that gathers not with me scatters.
31 For this reason I say unto you, Every sin and injurious speaking shall be forgiven to men, but speaking injuriously of the Spirit shall not be forgiven to men.
32 And whosoever shall have spoken a word against the Son of man, it shall be forgiven him; but whosoever shall speak against the Holy Spirit, it shall not be forgiven him, neither in this age nor in the coming [one].
33 Either make the tree good, and its fruit good; or make the tree corrupt, and its fruit corrupt. For from the fruit the tree is known.
34 Offspring of vipers! how can ye speak good things, being wicked? For of the abundance of the heart the mouth speaks.
35 The good man out of the good treasure brings forth good things; and the wicked man out of the wicked treasure brings forth wicked things.
36 But I say unto you, that every idle word which men shall say, they shall render an account of it in judgment-day:
37 for by thy words thou shalt be justified, and by thy words thou shalt be condemned.
38 Then answered him some of the scribes and Pharisees, saying, Teacher, we desire to see a sign from thee.
39 But he, answering, said to them, A wicked and adulterous generation seeks after a sign, and a sign shall not be given to it save the sign of Jonas the prophet.

Footnotes 2

The Darby Translation is in the public domain.