Psalm 41:6

If he comes to see me, he speaks falsehood. His heart gathers iniquity to itself. When he goes abroad, he tells it.

Psalm 12:2

Everyone lies to his neighbor. They speak with flattering lips, and with a double heart.

Proverbs 26:24-26

A malicious man disguises himself with his lips, but he harbors evil in his heart.

Nehemiah 6:1-14

Now it happened, when it was reported to Sanballat and Tobiah, and to Geshem the Arabian, and to the rest of our enemies, that I had built the wall, and that there was no breach left therein; (though even to that time I had not set up the doors in the gates;)

Jeremiah 20:10

For I have heard the defaming of many, terror on every side. Denounce, and we will denounce him, [say] all my familiar friends, those who watch for my fall; perhaps he will be persuaded, and we shall prevail against him, and we shall take our revenge on him.

Daniel 11:27

As for both these kings, their hearts shall be to do mischief, and they shall speak lies at one table: but it shall not prosper; for yet the end shall be at the time appointed.

Micah 7:5-7

Don't trust in a neighbor. Don't put confidence in a friend. With the woman lying in your embrace, be careful of the words of your mouth!

Luke 11:53-54

As he said these things to them, the scribes and the Pharisees began to be terribly angry, and to draw many things out of him;

Luke 20:20-23

They watched him, and sent out spies, who pretended to be righteous, that they might trap him in something he said, so as to deliver him up to the power and authority of the governor.

2 Corinthians 11:26

I have been in travels often, perils of rivers, perils of robbers, perils from my countrymen, perils from the Gentiles, perils in the city, perils in the wilderness, perils in the sea, perils among false brothers;

Treasury of Scripture Knowledge

Summary

And if he come to see me, he speaketh vanity: his heart gathereth iniquity to itself; when he goeth abroad, he telleth it.

General references

Bible References

Speaketh

Psalm 12:2
Everyone lies to his neighbor. They speak with flattering lips, and with a double heart.
Proverbs 26:24
A malicious man disguises himself with his lips, but he harbors evil in his heart.
Nehemiah 6:1
Now it happened, when it was reported to Sanballat and Tobiah, and to Geshem the Arabian, and to the rest of our enemies, that I had built the wall, and that there was no breach left therein; (though even to that time I had not set up the doors in the gates;)
Proverbs 26:24
A malicious man disguises himself with his lips, but he harbors evil in his heart.
Daniel 11:27
As for both these kings, their hearts shall be to do mischief, and they shall speak lies at one table: but it shall not prosper; for yet the end shall be at the time appointed.
Micah 7:5
Don't trust in a neighbor. Don't put confidence in a friend. With the woman lying in your embrace, be careful of the words of your mouth!
Luke 11:53
As he said these things to them, the scribes and the Pharisees began to be terribly angry, and to draw many things out of him;
Luke 20:20
They watched him, and sent out spies, who pretended to be righteous, that they might trap him in something he said, so as to deliver him up to the power and authority of the governor.
2 Corinthians 11:26
I have been in travels often, perils of rivers, perils of robbers, perils from my countrymen, perils from the Gentiles, perils in the city, perils in the wilderness, perils in the sea, perils among false brothers;

When

Jeremiah 20:10
For I have heard the defaming of many, terror on every side. Denounce, and we will denounce him, [say] all my familiar friends, those who watch for my fall; perhaps he will be persuaded, and we shall prevail against him, and we shall take our revenge on him.

General references

Mark 7:20
He said, "That which proceeds out of the man, that defiles the man.