Romans 12:14
bless them who persecute you:
Matthew 5:22
but I say unto you, that whosoever is angry with his brother without a cause, shall be punish'd by the tribunal: and whosoever shall say to his brother, Raca, shall be punish'd by the Sanhedrim: but whosoever shall say, thou fool, shall be punish'd by the fire of Gehenna.
Matthew 5:43-44
You have heard that it hath been said, "you shall love your neighbour, and hate your enemy:"
Matthew 12:36
but I declare unto you, that men shall give an account at the day of judgment, of every scandalous expression they utter.
James 3:6
the tongue is a brand that sets the world in a combustion: it is but one of the numerous organs of the body, yet it can blast whole assemblies: tipp'd with infernal sulphur it sets the whole train of life in a blaze.
James 3:9-10
By that we give praises to God the father: and that pronounces curses even against men, who are form'd after the divine resemblance.
1 Peter 2:22-23
leaving an example for your exact imitation, he who never offended, and from whose lips no fallacy was ever utter'd,
1 Peter 3:9
don't return evil for evil, nor calumny for calumny; on the contrary, bestow your benedictions, considering that your vocation obliges you thereto, as a means to obtain the divine blessing.