“I made a projection of my divine powder on quicksilver, and in less than an hour it was converted into fine gold. God knows how joyful I was, how I thanked Him for this great grace and favor and prayed for His Holy Spirit to pour yet more light upon me that I might use what I had already attained only to His praise and honor.”

History of Alchemy from Ancient Egypt to Modern Times: Alchemy Rediscovered and Restored (by A. Cockren, 1940). 16th century alchemist Denis Zachaire, quoted.