Job 31:30
I never suffered my mouth to do such a sin, as to wish him evil.
Romans 12:14
Bless them which persecute you: bless, but curse not.
Exodus 23:4-5
When thou meetest thine enemy's ox or ass going astray, thou shalt bring them to him again.
Ecclesiastes 5:2
and let not thine heart speak anything rashly before God. For God is in heaven, and thou upon earth, therefore let thy words be few.
Ecclesiastes 5:6
Suffer not thy mouth to cause thy flesh for to sin, neither say thou before the angel that it is thy ignorance. For then God will be angry at thy voice, and destroy all the works of thine hands.
Matthew 5:22
But I say unto you, Whosoever is angry with his brother shall be in danger of judgment: whosoever sayeth unto his brother, 'Raca,' shall be in danger of a council: but whosoever sayeth, 'Thou fool,' shall be in danger of hell fire.
Matthew 5:43-44
"Ye have heard how it is said, 'Thou shalt love thine neighbor, and hate thine enemy.'
Matthew 12:36
But I say unto you, that of every idle word, that men shall have spoken, they shall give accounts at the day of judgment.
James 3:6
and the tongue is fire, and a world of wickedness. So is the tongue set among our members, that it defileth the whole body, and setteth afire all that we have of nature, and is itself set afire, even of hell.
James 3:9-10
Therewith bless we God the father, and therewith curse we men which are made after the similitude of God.
1 Peter 2:22-23
which did no sin, neither was there guile found in his mouth:
1 Peter 3:9
not rendering evil for evil, neither rebuke for rebuke: but contrariwise, bless: remembering that ye are thereunto called, even that ye should be heirs of blessing.