Original Verse:
Proverbs Chapter 3 Verse 15She is more precious than rubies: And none of the things thou canst desire are to be compared unto her.

Reference Verses:
Job Chapter 28 Verse 13Man knoweth not the price thereof; Neither is it found in the land of the living.
Job Chapter 28 Verse 18No mention shall be made of coral or of crystal: Yea, the price of wisdom is above rubies.
Proverbs Chapter 8 Verse 11For wisdom is better than rubies; And all the things that may be desired are not to be compared unto it.