20 The tongue of the righteous is like choice silver. The heart of the wicked is of little worth.
Proverbs 10:20 Cross References - WEB
Genesis 6:5
5 Yahweh saw that the wickedness of man was great in the earth, and that every imagination of the thoughts of man’s heart was continually only evil.
Genesis 8:21
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. I will never again strike every living thing, as I have done.
Proverbs 8:19
19 My fruit is better than gold, yes, than fine gold, my yield than choice silver.
Proverbs 12:18
18 There is one who speaks rashly like the piercing of a sword, but the tongue of the wise heals.
Proverbs 15:4
4 A gentle tongue is a tree of life, but deceit in it crushes the spirit.
Proverbs 16:13
13 Righteous lips are the delight of kings. They value one who speaks the truth.
Proverbs 23:7
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
Jeremiah 17:9
9 The heart is deceitful above all things and it is exceedingly corrupt. Who can know it?