Proverbs 10:20
The tongue of the righteous man is as choice silver; the heart of the wicked is little worth.
Proverbs 12:18
There is that babbleth like the piercings of a sword; but the tongue of the wise is health.
Genesis 6:5
And Jehovah saw that the wickedness of Man was great on the earth, and every imagination of the thoughts of his heart only evil continually.
Genesis 8:21
And Jehovah smelled the sweet odour. And Jehovah said in his heart, I will no more henceforth curse the ground on account of Man, for the thought of Man's heart is evil from his youth; and I will no more smite every living thing, as I have done.
Proverbs 8:19
My fruit is better than fine gold, yea, than pure gold; and my revenue than choice silver.
Proverbs 15:4
Gentleness of tongue is a tree of life; but crookedness therein is a breaking of the spirit.
Proverbs 16:13
Righteous lips are the delight of kings, and they love him that speaketh aright.
Proverbs 23:7
For as he thinketh in his soul, so is he. Eat and drink! will he say unto thee; but his heart is not with thee.
Proverbs 25:11-12
As apples of gold in pictures of silver, is a word spoken in season.
Jeremiah 17:9
The heart is deceitful above all things, and incurable; who can know it?
Matthew 12:34-35
Offspring of vipers! how can ye speak good things, being wicked? For of the abundance of the heart the mouth speaks.