Matthew 12:35-37
The good man out of his good inner storehouse, brings out good things, the bad man, out of his bad one, bad things.
Hebrews 4:12-13
For God's message is alive and full of power in action, sharper than any double-edged sword, piercing even to the depths of soul and spirit, to the dividing of joints and marrow, and passing judgment on the thoughts and purposes of the heart.
James 1:26
If anyone thinks he is religious, and does not bridle his tongue, but deceives himself, his religious worship is worthless.
James 3:2-10
For we all make many a slip. If anyone never slips in speech, he is a man of maturity; he can control his whole body too.