Gold there is, and rubies in abundance, but lips that speak knowledge are a rare jewel.
NIV
There is gold, and a multitude of pearls, but the lips of knowledge are a vase of preciousness [the most precious of all]. [Job 28:12, 16-19; Prov. 3:15; 8:11.]AMP
There is gold, and a multitude of rubies: but the lips of knowledge are a precious jewel.
KJV