Job 12:20 - Coke's Commentary on the Holy Bible

He removeth away the speech of the trusty— He bereaveth orators of their eloquence. Heath. On the latter clause Peters observes, that when Job would set out the uncontroulable power of God to defeat all the counsels and purposes of men, one of the strongest phrases that he could find to express it by is, He taketh away the understanding of the aged; for in those early days the highest veneration possible was paid to old age.