Matthew 12:34-35

O ye generations of vipers, how are you, being evil, able to speak good things? for out of the abundance of the heart the mouth speaks.

Treasury of Scripture Knowledge

Summary

The tongue of the just is as choice silver: the heart of the wicked is little worth.

Tongue

Bible References

Tongue

Matthew 12:35
The good man, out of the good treasure (heart) brings forth good things: and the wicked man out of the wicked treasure (heart) brings forth wicked things.