Matthew 12:36
“But I say unto you, That every idle word that men shall speak, they shall give account thereof in the day of judgment.”
O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.
A good man out of the good treasure of the heart bringeth forth good things: and an evil man out of the evil treasure bringeth forth evil things.
But I say unto you, That every idle word that men shall speak, they shall give account thereof in the day of judgment.
For by thy words thou shalt be justified, and by thy words thou shalt be condemned.
Then certain of the scribes and of the Pharisees answered, saying, Master, we would see a sign from thee.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“For by thy words thou shalt be justified, and by thy words thou shalt be condemned.”
“And whosoever speaketh a word against the Son of man, it shall be forgiven him: but whosoever speaketh against the Holy Ghost, it shall not be forgiven him, neither in this world, neither in the world to come.”
“Wherefore I say unto you, All manner of sin and blasphemy shall be forgiven unto men: but the blasphemy against the Holy Ghost shall not be forgiven unto men.”
“But I say unto you, That whosoever is angry with his brother without a cause shall be in danger of the judgment: and whosoever shall say to his brother, Raca, shall be in danger of the council: but whosoever shall say, Thou fool, shall be in danger of hell fire.”
“Judge not, that ye be not judged.”