Proverbs 10:20
The tongue of the righteous is choice silver; the heart of the wicked is of little worth.
Proverbs 12:18
There is one whose rash words are like sword thrusts, but the tongue of the wise brings healing.
Genesis 6:5
The LORD saw that the wickedness of man was great in the earth, and that every intention of the thoughts of his heart was only evil continually.
Genesis 8:21
And when the LORD smelled the pleasing aroma, the LORD said in his heart, "I will never again curse the ground because of man, for the intention of man's heart is evil from his youth. Neither will I ever again strike down every living creature as I have done.
Proverbs 8:19
My fruit is better than gold, even fine gold, and my yield than choice silver.
Proverbs 15:4
A gentle tongue is a tree of life, but perverseness in it breaks the spirit.
Proverbs 16:13
Righteous lips are the delight of a king, and he loves him who speaks what is right.
Proverbs 23:7
for he is like one who is inwardly calculating. "Eat and drink!" he says to you, but his heart is not with you.
Proverbs 25:11-12
A word fitly spoken is like apples of gold in a setting of silver.
Jeremiah 17:9
The heart is deceitful above all things, and desperately sick; who can understand it?
Matthew 12:34-35
You brood of vipers! How can you speak good, when you are evil? For out of the abundance of the heart the mouth speaks.