Treasury of Scripture Knowledge
Summary
The heart of the righteous studieth to answer: but the mouth of the wicked poureth out evil things.
Heart
General references
Bible References
Heart
1 Peter 3:15
and be always ready to answer every one that asketh you a reason of the hope that is in you, with meekness and reverence:
General references
Matthew 15:18
But the things, which proceed out of the mouth, come from the heart, and those defile a man.