"John Trithmius...to Henry Cornelius Agrippa... Your work, most renowned Agrippa, entitled Of Occult Philosophy, which you have sent by this bearer to me, has been examined. With how much pleasure I received it no mortal tongue can express nor the pen of any write. I wondered at your more than vulgar learning—that you, being so young, should penetrate into such secrets as have been hid from most learned men; and not only clearly and truly but also properly and elegantly set them forth... Your work, which no learned man can sufficiently commend, I approve of. Now that you may proceed toward higher things, as you have begun, and not suffer such excellent parts of wit to be idle, I do, with as much earnestness as I can, advise, entreat and beseech you that you would exercise yourself in laboring after better things, and demonstrate the light of true wisdom to the ignorant..."