Proverbs 10:20
The tongue of the just is as choice silver: the heart of the wicked is little worth.
Cross-reference
Proverbs 10:11 contrasts the righteous mouth as a fountain of life with the wicked mouth, strengthening the value theme.
Proverbs 10:31 contrasts righteous wisdom with a perverse tongue silenced, paralleling the value contrast here.
Proverbs 12:18 contrasts rash words like sword thrusts with wise healing speech — similar to the value of righteous tongue as silver.
Proverbs 15:4 compares a gentle tongue to a tree of life — parallel to the righteous tongue being choice silver in worth.
Proverbs 16:13 says righteous lips delight a king — complementing the high value of the righteous tongue as choice silver.
Proverbs 25:11 uses precious metal imagery — a word fitly spoken like apples of gold in silver — matching the 'choice silver' metaphor.
Proverbs 25:12 compares a wise reprover to a gold ornament — further depicting valuable speech, consistent with the righteous tongue as silver.
Proverbs 15:7 contrasts wise lips spreading knowledge with fool's heart, mirroring the righteous/wicked contrast here.
In Proverbs 18:21, the tongue's power of life and death underscores why righteous speech is as precious as choice silver.
Proverbs 20:15 also compares wise lips to rare jewels, reinforcing the high value of righteous speech as choice silver.
Matthew 12:35 links speech to heart's treasure — good from good, evil from evil — echoing the contrast between righteous tongue and wicked heart.
Matthew 12:34 directly links heart and speech — the wicked heart produces evil words, contrasting the righteous tongue.
In Luke 6:45, Jesus teaches that the mouth speaks from the heart's abundance, directly connecting the tongue's value to the heart's condition.
Jeremiah 17:9 describes the heart as deceitful and incurable, parallel to the wicked heart's worthlessness here.
Ecclesiastes 10:12 similarly contrasts gracious words from the wise with destructive foolish speech, echoing the silver vs worthless heart.
Psalm 71:24 shows the righteous tongue declaring God's acts, a positive example of the 'choice silver' here.
Genesis 8:21 confirms the wicked heart's inherent evil from youth, reinforcing why it is of little value.
In Genesis 6:5, the wicked heart's total evil echoes the 'little value' here, showing its moral bankruptcy.