_Quo major est virorum praestantium, tui similium inopia; eo mihi charior est, & esse debet & amicitia tua: quam quidem omnibus officiis, & studiis, quae a summa benevolentia possunt, perpetuo colam_: However, who study the curiosities before-named, if they are not very well versed in astrology, they shall rarely attain their desired ends. There was, in the late times of troubles, one Mortlack, who pretended unto Speculations, had a crystal, a call of Queen Mab, one of the Queen of Fairies; he deluded many thereby: at last I was brought into his company; he was desired to make invocation, he did so; nothing appeared, or would: three or four times in my company he was put upon to do the work, but could not; at last he said he could do nothing as long as I was in presence. I at last shewed him his error, but left him as I found him, a pretending ignoramus. I may seem to some to write incredibilia; be it so, but knowing unto whom, and for whose only sake, I do write them, I am much comforted therewith, well knowing you are the most knowing man in these curiosities of any now living in England; and therefore it is my hope, these will be a present well-becoming you to accept. _Praeclara omnia quam difficilia sint, his praesertim temporibus. (Celeberrime Armiger,) non te fugit_; and therefore I will acquaint you with one memorable story related unto me by Mr. John Marr, an excellent mathematican and geometrician, whom I conceive you remember: he was servant to King James and Charles the First. At first, when the Lord Napier, or Marchiston, made publick his Logarithms, Mr. Briggs, then reader of the astronomy lecture at Gresham-College in London, was so surprized with admiration of them, that he could have no quietness in himself, until he had seen that noble person the Lord Marchiston, whose only invention they were: he acquaints John Marr herewith, who went into Scotland before Mr. Briggs, purposely to be there when these two so learned persons should meet. Mr. Briggs appoints a certain day when to meet at Edinburgh: but failing thereof, the Lord Napier was doubtful he would not come. It happened one day as John Marr and the Lord Napier were speaking of Mr. Briggs; 'Ah, John,' saith Marchiston, 'Mr. Briggs will not now come:' at the very instant one knocks at the gate; John Marr hasted down, and it proved Mr. Briggs, to his great contentment. He brings Mr. Briggs up into my Lord's chamber, where almost one quarter of an hour was spent, each beholding the other almost with admiration, before one word was spoke: at last Mr. Briggs began.