This is a further confirmation of the king's noble endowments of mind, and of his great care whom he chose to be in offices of trust; namely, persons excellently qualified to serve him in the great affairs of the kingdom, not to serve his lusts by them for base jobs, for which men of no abilities or honour are usually chosen.
Related Commentaries of Daniel 1:20
Daniel 1:20
20 And in all matters of wisdome and understanding, that the king enquired of them, he found them ten times better than all the magicians and astrologers that were in all his realm.