Original Verse:
Ecclesiastes Chapter 10 Verse 12The words of a wise man's mouth are sweet to all, but the lips of a foolish man are his destruction.

Reference Verses:
Proverbs Chapter 10 Verse 32The lips of the upright man have knowledge of what is pleasing, but twisted are the mouths of evil-doers.
Proverbs Chapter 22 Verse 11He whose heart is clean is dear to the Lord; for the grace of his lips the king will be his friend.
Luke Chapter 4 Verse 22And they were all giving witness, with wonder, to the words of grace which came from his mouth: and they said, Is not this the son of Joseph?
Proverbs Chapter 15 Verse 2Knowledge is dropping from the tongue of the wise; but from the mouth of the foolish comes a stream of foolish words.
Proverbs Chapter 16 Verse 21-24 [21] The wise-hearted will be named men of good sense: and by pleasing words learning is increased. [22] Wisdom is a fountain of life to him who has it; but the punishment of the foolish is their foolish behaviour. [23] The heart of the wise man is the teacher of his mouth, and gives increased learning to his lips. [24] Pleasing words are like honey, sweet to the soul and new life to the bones.
Proverbs Chapter 12 Verse 18There are some whose uncontrolled talk is like the wounds of a sword, but the tongue of the wise makes one well again.
Proverbs Chapter 22 Verse 17Let your ear be bent down for hearing my words, and let your heart give thought to knowledge.
Proverbs Chapter 25 Verse 12Like a nose-ring of gold and an ornament of the best gold, is a wise man who says sharp words to an ear ready to give attention.
Proverbs Chapter 18 Verse 6-8 [6] A foolish man's lips are a cause of fighting, and his mouth makes him open to blows. [7] The mouth of a foolish man is his destruction, and his lips are a net for his soul. [8] The words of one who says evil of his neighbour secretly are like sweet food, and go down into the inner parts of the stomach.
Proverbs Chapter 10 Verse 21The lips of the upright man give food to men, but the foolish come to death for need of sense.
Psalms Chapter 37 Verse 30The mouth of the good man says words of wisdom; the talk of his tongue is of righteousness.
Proverbs Chapter 10 Verse 31The mouth of the upright man is budding with wisdom, but the twisted tongue will be cut off.
Proverbs Chapter 10 Verse 14Knowledge is stored up by the wise, but the mouth of the foolish man is a destruction which is near.
Proverbs Chapter 26 Verse 9Like a thorn which goes up into the hand of a man overcome by drink, so is a wise saying in the mouth of a foolish man.
Psalms Chapter 40 Verse 9I have given news of righteousness in the great meeting; O Lord, you have knowledge that I have not kept back my words.
Psalms Chapter 71 Verse 15-18 [15] My mouth will make clear your righteousness and your salvation all the day; for they are more than may be measured. [16] I will give news of the great acts of the Lord God; my words will be of your righteousness, and of yours only. [17] O God, you have been my teacher from the time when I was young; and I have been talking of your works of wonder even till now. [18] Now when I am old and grey-headed, O God, give me not up; till I have made clear your strength to this generation, and your power to all those to come.
Proverbs Chapter 10 Verse 13In the lips of him who has knowledge wisdom is seen; but a rod is ready for the back of him who is without sense.
Proverbs Chapter 10 Verse 20The tongue of the upright man is like tested silver: the heart of the evil-doer is of little value.
Proverbs Chapter 12 Verse 13In the sin of the lips is a net which takes the sinner, but the upright man will come out of trouble.
Proverbs Chapter 12 Verse 14From the fruit of his mouth will a man have good food in full measure, and the work of a man's hands will be rewarded.
Proverbs Chapter 31 Verse 26Her mouth is open to give out wisdom, and the law of mercy is on her tongue.
Ephesians Chapter 4 Verse 29Let no evil talk come out of your mouth, but only what is good for giving necessary teaching, and for grace to those who give ear.
2nd Samuel Chapter 1 Verse 16And David said to him, May your blood be on your head; for your mouth has given witness against you, saying, I have put to death the man marked with the holy oil.
1st Kings Chapter 20 Verse 40-42 [40] But while your servant was turning this way and that, he was gone. Then the king of Israel said to him, You are responsible; you have given the decision against yourself. [41] Then he quickly took the head-band from his eyes; and the king of Israel saw that he was one of the prophets. [42] And he said to him, These are the words of the Lord: Because you have let go from your hands the man whom I had put to the curse, your life will be taken for his life, and your people for his people.
Psalms Chapter 64 Verse 8The evil of their tongues is the cause of their fall; all those who see them are shaking their heads at them.
Psalms Chapter 140 Verse 9As for those who come round me, let their heads be covered by the evil of their lips.
Proverbs Chapter 10 Verse 8The wise-hearted man will let himself be ruled, but the man whose talk is foolish will have a fall.
Luke Chapter 19 Verse 22He said to him, By the words of your mouth you will be judged, you bad servant. You had knowledge that I am a hard man, taking up what I have not put down and getting in grain where I have not put seed;
Job Chapter 4 Verse 3Truly, you have been a helper to others, and you have made feeble hands strong;
Job Chapter 4 Verse 4He who was near to falling has been lifted up by your words, and you have given strength to bent knees.
Job Chapter 16 Verse 5I might give you strength with my mouth, and not keep back the comfort of my lips.
Psalms Chapter 40 Verse 10Your righteousness has not been folded away in my heart; I have made clear your true word and your salvation; I have not kept secret your mercy or your faith from the great meeting.
Proverbs Chapter 15 Verse 23A man has joy in the answer of his mouth: and a word at the right time, how good it is!
Proverbs Chapter 22 Verse 18For it is a delight to keep them in your heart, to have them ready on your lips.
Proverbs Chapter 25 Verse 11A word at the right time is like apples of gold in a network of silver.
Matthew Chapter 12 Verse 35The good man out of his good store gives good things; and the evil man out of his evil store gives evil things.
Colossians Chapter 4 Verse 6Let your talk be with grace, mixed with salt, so that you may be able to give an answer to everyone.
Proverbs Chapter 10 Verse 10He who makes signs with his eyes is a cause of trouble, but he who makes a man see his errors is a cause of peace.
Proverbs Chapter 19 Verse 5A false witness will not go without punishment, and the breather out of deceit will not go free.