Proverbs 10:20
The tongue of the righteous is like choice silver. The heart of the wicked is of little worth.
Proverbs 12:18
There is one who speaks rashly like the piercing of a sword, but the tongue of the wise heals.
Genesis 6:5
Yahweh saw that the wickedness of man was great in the earth, and that every imagination of the thoughts of his heart was only evil continually.
Genesis 8:21
Yahweh smelled the pleasant aroma. Yahweh said in his heart, "I will not again curse the ground any more for man's sake, because the imagination of man's heart is evil from his youth; neither will I ever again strike everything living, as I have done.
Proverbs 8:19
My fruit is better than gold, yes, than fine gold; my yield than choice silver.
Proverbs 15:4
A gentle tongue is a tree of life, but deceit in it crushes the spirit.
Proverbs 16:13
Righteous lips are the delight of kings. They value one who speaks the truth.
Proverbs 23:7
for as he thinks about the cost, so he is. "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 settings of silver.
Jeremiah 17:9
The heart is deceitful above all things, and it is exceedingly corrupt: who can know it?
Matthew 12:34-35
You offspring of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.