Psalm 36:3

In the words of his mouth are evil and deceit; he has given up being wise and doing good.

Psalm 10:7

His mouth is full of cursing and deceit and false words: under his tongue are evil purposes and dark thoughts.

Psalm 55:21

The words of his mouth were smoother than butter, but war was in his heart; his words were softer than oil, but they were sharp swords.

Jeremiah 4:22

For my people are foolish, they have no knowledge of me; they are evil-minded children, without sense, all of them: they are wise in evil-doing, but have no knowledge of doing good.

1 Samuel 11:6-13

And at their words, the spirit of God came on Saul with power, and he became very angry.

1 Samuel 13:13-14

And Samuel said to Saul, You have done a foolish thing: you have not kept the rules which the Lord your God gave you; it was the purpose of the Lord to make your authority over Israel safe for ever.

1 Samuel 15:26

And Samuel said to Saul, I will not go back with you: for you have put away from you the word of the Lord, and the Lord has put you from your place as king over Israel.

1 Samuel 16:14

Now the spirit of the Lord had gone from Saul, and an evil spirit from the Lord was troubling him.

1 Samuel 18:21

And Saul said, I will give her to him, so that she may be a cause of danger to him, and so that the hands of the Philistines may be against him. So Saul said to David, Today you are to become my son-in-law for the second time.

1 Samuel 19:6-7

And Saul gave ear to the voice of Jonathan, and said with an oath, By the living Lord, he is not to be put to death.

1 Samuel 26:21

Then Saul said, I have done wrong: come back to me, David my son: I will do you no more wrong, because my life was dear to you today truly, I have been foolish and my error is very great.

Psalm 5:9

For no faith may be put in their words; their inner part is nothing but evil; their throat is like an open place for the dead; smooth are the words of their tongues.

Psalm 12:2-3

Everyone says false words to his neighbour: their tongues are smooth in their talk, and their hearts are full of deceit.

Psalm 58:3

The evil-doers are strange from the first; from the hour of their birth they go out of the true way, saying false words.

Psalm 94:8

Give your mind to my words, you who are without wisdom among the people; you foolish men, when will you be wise?

Psalm 140:3

Their tongues are sharp like the tongue of a snake; the poison of snakes is under their lips. (Selah.)

Zephaniah 1:6

And those who are turned back from going after the Lord, and those who have not made prayer to the Lord or got directions from him.

Matthew 22:15-18

Then the Pharisees went and had a meeting to see how they might make use of his words to take him.

Matthew 22:35

And one of them, a teacher of the law, put a question to him, testing him, and saying,

Hebrews 10:39

But we are not of those who go back to destruction; but of those who have faith even to the salvation of the soul.

1 John 2:19

They went out from us but they were not of us; if they had been of us they would still be with us: but they went out from us so that it might be made clear that they were not of us.

Treasury of Scripture Knowledge

Summary

The words of his mouth are iniquity and deceit: he hath left off to be wise, and to do good.

General references

Bible References

The words

Psalm 5:9
For no faith may be put in their words; their inner part is nothing but evil; their throat is like an open place for the dead; smooth are the words of their tongues.
Psalm 12:2
Everyone says false words to his neighbour: their tongues are smooth in their talk, and their hearts are full of deceit.
Psalm 55:21
The words of his mouth were smoother than butter, but war was in his heart; his words were softer than oil, but they were sharp swords.
Psalm 58:3
The evil-doers are strange from the first; from the hour of their birth they go out of the true way, saying false words.
Psalm 140:3
Their tongues are sharp like the tongue of a snake; the poison of snakes is under their lips. (Selah.)
1 Samuel 18:21
And Saul said, I will give her to him, so that she may be a cause of danger to him, and so that the hands of the Philistines may be against him. So Saul said to David, Today you are to become my son-in-law for the second time.
1 Samuel 19:6
And Saul gave ear to the voice of Jonathan, and said with an oath, By the living Lord, he is not to be put to death.
1 Samuel 26:21
Then Saul said, I have done wrong: come back to me, David my son: I will do you no more wrong, because my life was dear to you today truly, I have been foolish and my error is very great.
Matthew 22:15
Then the Pharisees went and had a meeting to see how they might make use of his words to take him.

He hath

1 Samuel 11:6
And at their words, the spirit of God came on Saul with power, and he became very angry.
1 Samuel 13:13
And Samuel said to Saul, You have done a foolish thing: you have not kept the rules which the Lord your God gave you; it was the purpose of the Lord to make your authority over Israel safe for ever.
1 Samuel 15:26
And Samuel said to Saul, I will not go back with you: for you have put away from you the word of the Lord, and the Lord has put you from your place as king over Israel.
1 Samuel 16:14
Now the spirit of the Lord had gone from Saul, and an evil spirit from the Lord was troubling him.
Zephaniah 1:6
And those who are turned back from going after the Lord, and those who have not made prayer to the Lord or got directions from him.
Hebrews 10:39
But we are not of those who go back to destruction; but of those who have faith even to the salvation of the soul.
1 John 2:19
They went out from us but they were not of us; if they had been of us they would still be with us: but they went out from us so that it might be made clear that they were not of us.

General references

Jeremiah 34:11
But later, they took back again the servants and the servant-girls whom they had let go free, and put them again under the yoke as servants and servant-girls.
Matthew 15:18
But the things which come out of the mouth come from the heart; and they make a man unclean.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain