John Trapp on Daniel 1:17

Ver. 17. As for theſe four children, God gave them knowledge and skill in all learning] Both natural and ſupernatural. In the Art of Grammar, ſaith Symmachus: in every book ſaith the Latin Interpreter. There was potus ex fonte, fletus in prece, ſomnus in codice, as Ambroſe ſpeaketh, they drank Adams-ale, prayed with tears, ſlept with a book in their hands. Whether they read the curious books of the Magicians (fitter to be burnt, Acts 19.19.) is another queſtion. Oſiander thinketh that their Chaldaean Tutours would have obtruded upon them ſuch kind of learning alſo: but, as they abſtained from the Kings meat, ſo they did, likely, from ſuch corrupt and unlawful arts. Other commendable learning they looked into, as did alſo Moſes, Solomon, Paul, &c. But what meant Pope Paul the ſecond to condemn all learned Artiſts for hereticks: and to tell his Romans that it was learning enough for a man to be able to read and write? Nebuchadnezzar was of another mind,Jac. Rev. de vit. Pont. 244. and Daniel and his fellows went further then ſo. Learning hath no enemy but Ignorance.

In all viſions and dreams] i. e. In all kind of Prophecy. See Num. 12.6.