Passage cross-references.

Bless them which persecute you: bless, and curse not.

Not rendering evil for evil, or railing for railing: but contrariwise blessing; knowing that ye are thereunto called, that ye should inherit a blessing.

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.

Ye have heard that it hath been said, Thou shalt love thy neighbour, and hate thine enemy. …

Who did no sin, neither was guile found in his mouth: …

If thou meet thine enemy’s ox or his ass going astray, thou shalt surely bring it back to him again. …

Be not rash with thy mouth, and let not thine heart be hasty to utter any thing before God: for God is in heaven, and thou upon earth: therefore let thy words be few.

Suffer not thy mouth to cause thy flesh to sin; neither say thou before the angel, that it was an error: wherefore should God be angry at thy voice, and destroy the work of thine hands?

But I say unto you, That every idle word that men shall speak, they shall give account thereof in the day of judgment.

And the tongue is a fire, a world of iniquity: so is the tongue among our members, that it defileth the whole body, and setteth on fire the course of nature; and it is set on fire of hell.

Therewith bless we God, even the Father; and therewith curse we men, which are made after the similitude of God. …