Proverbs 20:15

A mouth of understanding is more worth than gold, many precious stones, and costly Jewels.

Proverbs 3:15

Wisdom is more worth than precious stones, and all the things that thou canst desire are not to be compared unto her.

Job 28:12-19

How cometh a man then by wisdom? Where is the place that men find understanding?

Proverbs 8:11

For wisdom is more worth than precious stones; yea, all the things that thou canst desire, are not to be compared unto it.

Proverbs 10:20-21

An innocent tongue is a noble treasure; but the heart of the ungodly is nothing worth.

Proverbs 15:7

A wise mouth poureth out knowledge; but the heart of the foolish doth not so.

Proverbs 15:23

A joyful thing it is to a man, when his counsel is followed; and very pleasant is a word spoken in due season.

Proverbs 16:16

To have wisdom in possession is better than gold; and to get understanding is more worth than silver.

Proverbs 16:21

Whoso hath a wise understanding is called to counsel; but he that can speak fair, getteth more riches.

Proverbs 16:24

Fair words are a honeycomb, a refreshing of the mind, and health of the bones.

Proverbs 25:12

The correction of the wise is, to an obedient ear, a golden chain and a Jewel of gold.

Ecclesiastes 12:9-11

The same preacher was not wise alone, but taught the people knowledge also: he gave good heed, sought out the ground and set forth many parables.

Romans 10:14-15

But how shall they call on him, on whom they believed not? How shall they believe on him of whom they have not heard? How shall they hear without a preacher?

Ephesians 4:29

Let no filthy communication proceed out of your mouths: but that which is good to edify withal, when need is, that it may have favour with the hearers.

Treasury of Scripture Knowledge

Summary

There is gold, and a multitude of rubies: but the lips of knowledge are a precious jewel.

General references

Bible References

But

Proverbs 3:15
Wisdom is more worth than precious stones, and all the things that thou canst desire are not to be compared unto her.
Proverbs 8:11
For wisdom is more worth than precious stones; yea, all the things that thou canst desire, are not to be compared unto it.
Proverbs 10:20
An innocent tongue is a noble treasure; but the heart of the ungodly is nothing worth.
Proverbs 15:7
A wise mouth poureth out knowledge; but the heart of the foolish doth not so.
Proverbs 16:16
To have wisdom in possession is better than gold; and to get understanding is more worth than silver.
Proverbs 25:12
The correction of the wise is, to an obedient ear, a golden chain and a Jewel of gold.
Job 28:12
How cometh a man then by wisdom? Where is the place that men find understanding?
Ecclesiastes 12:9
The same preacher was not wise alone, but taught the people knowledge also: he gave good heed, sought out the ground and set forth many parables.
Romans 10:14
But how shall they call on him, on whom they believed not? How shall they believe on him of whom they have not heard? How shall they hear without a preacher?
Ephesians 4:29
Let no filthy communication proceed out of your mouths: but that which is good to edify withal, when need is, that it may have favour with the hearers.

General references

Proverbs 24:4
Through discretion shall the chambers be filled with all costly and pleasant riches.