"Therefore I say to you, every sin and blasphemy will be forgiven men, but the blasphemy against the Spirit will not be forgiven men.
Anyone who speaks a word against the Son of Man, it will be forgiven him; but whoever speaks against the Holy Spirit, it will not be forgiven him, either in this age or in the age to come.
"Either make the tree good and its fruit good, or else make the tree bad and its fruit bad; for a tree is known by its fruit.
Brood of vipers! How can you, being evil, speak good things? For out of the abundance of the heart the mouth speaks.
A good man out of the good treasure of his heart brings forth good things, and an evil man out of the evil treasure brings forth evil things.
References for Matthew 12:35
But I say to you that for every idle word men may speak, they will give account of it in the day of judgment.
For by your words you will be justified, and by your words you will be condemned."
Then some of the scribes and Pharisees answered, saying, "Teacher, we want to see a sign from You."
But He answered and said to them, "An evil and adulterous generation seeks after a sign, and no sign will be given to it except the sign of the prophet Jonah.
For as Jonah was three days and three nights in the belly of the great fish, so will the Son of Man be three days and three nights in the heart of the earth.
The men of Nineveh will rise up in the judgment with this generation and condemn it, because they repented at the preaching of Jonah; and indeed a greater than Jonah is here.