Job 28:15
It cannot be gotten for gold, neither shall silver be weighed for the price thereof.
Torrey's Topical Textbook—AKJV

Proverbs 3:14
For the merchandise of it is better than the merchandise of silver, and the gain thereof than fine gold.
Torrey's Topical Textbook—AKJV

Proverbs 8:10,19
Receive my instruction, and not silver; and knowledge rather than choice gold.
Torrey's Topical Textbook—AKJV

Proverbs 16:16
How much better is it to get wisdom than gold! and to get understanding rather to be chosen than silver!
Torrey's Topical Textbook—AKJV