From Lansdowne MSS. 1203, 'The Veritable Clavicles of Solomon, translated from the Hebrew into the Latin language by the Rabbi Abognazar.'
O my Son Roboam! seeing that of all Sciences there is none more useful than the knowledge of Celestial Movements, I have thought it my duty, being at the point of death, to leave thee an inheritance more precious than all the riches which I have enjoyed.' And in order that thou mayest understand how I have arrived at this degree (of wisdom), it is necessary…