Proverbs 15:28
The heart of the upright gives thought to his answer; but from the mouth of the evil-doer comes a stream of evil things.
1 Peter 3:15
But give honour to Christ in your hearts as your Lord; and be ready at any time when you are questioned about the hope which is in you, to give an answer in the fear of the Lord and without pride;
Proverbs 15:2
Knowledge is dropping from the tongue of the wise; but from the mouth of the foolish comes a stream of foolish words.
1 Kings 3:23-28
Then the king said, One says, The living child is my son, and yours is the dead: and the other says, Not so; but your son is the dead one and mine is the living.
Proverbs 10:19
Where there is much talk there will be no end to sin, but he who keeps his mouth shut does wisely.
Proverbs 13:16
A sharp man does everything with knowledge, but a foolish man makes clear his foolish thoughts.
Proverbs 16:23
The heart of the wise man is the teacher of his mouth, and gives increased learning to his lips.
Proverbs 29:11
A foolish man lets out all his wrath, but a wise man keeps it back quietly.
Proverbs 29:20
Have you seen a man who is quick with his tongue? There is more hope for a foolish man than for him.
Ecclesiastes 5:2
Be not unwise with your mouth, and let not your heart be quick to say anything before God, because God is in heaven and you are on the earth--so let not the number of your words be great.
Ecclesiastes 5:6
Let not your mouth make your flesh do evil. And say not before the angel, It was an error. So that God may not be angry with your words and put an end to the work of your hands.
Ecclesiastes 10:12-14
The words of a wise man's mouth are sweet to all, but the lips of a foolish man are his destruction.
Matthew 12:34
You offspring of snakes, how are you, being evil, able to say good things? because out of the heart's store come the words of the mouth.
Titus 1:10-11
For there are men who are not ruled by law; foolish talkers, false teachers, specially those of the circumcision,
James 3:6-8
And the tongue is a fire; it is the power of evil placed in our bodies, making all the body unclean, putting the wheel of life on fire, and getting its fire from hell.
2 Peter 2:18
For with high-sounding false words, making use of the attraction of unclean desires of the flesh, they get into their power those newly made free from those who are living in error;