There is gold and abundance of costly stones, but the lips of knowledge are a precious jewel.
The lips of knowledge (a good understanding to guide the lips and a good elocution to diffuse the knowledge) are to be preferred far before gold, and pearl, and rubies; for, 1. They are more rare in themselves, more scarce and hard to be got. There is gold in many a man's pocket that has no grace in his heart.
There is gold, and a multitude of rubies,.... A man may have a large quantity of either, or of both of thorn, as some men have; for there is much of them in the world, not only in mines and quarries, but in the houses and cabinets of men; but the lips of knowledge are a precious jewel; knowledge even of things natural, and a...
The contrast denotes the greater value of knowledge (compare Pro 3:14-16).