Romans 3:19

Now we know that whatever the Law says, it speaks to those who are under the Law; so that every mouth may be shut, and all the world may be brought under the judgment of God.

Titus 1:10-11

For there are many individuals who are unruly, empty talkers and deceivers, particularly those of the circumcision, whose mouths must be stopped;

Hebrews 6:13

For when God make the promise to Abraham, since he could swear by none greater, he swore by himself, saying.

Treasury of Scripture Knowledge

Summary

But the king shall rejoice in God; every one that sweareth by him shall glory: but the mouth of them that speak lies shall be stopped.

Sweareth

Bible References

Sweareth

Hebrews 6:13
For when God make the promise to Abraham, since he could swear by none greater, he swore by himself, saying.

The mouth

Romans 3:19
Now we know that whatever the Law says, it speaks to those who are under the Law; so that every mouth may be shut, and all the world may be brought under the judgment of God.
Titus 1:10
For there are many individuals who are unruly, empty talkers and deceivers, particularly those of the circumcision, whose mouths must be stopped;