“I couldn't resist hiding some historical details and a few clues relevant to the plot and characters of 'A Discovery of Witches' throughout the pages of the novel.”

“I think you can learn a lot from primary sources. 'The Penguin Book of Witches,' which is edited by novelist Katherine Howe, is a wonderful compilation of primary sources about witchcraft.”

“Often, in books, I find female power to be cartoonish - power is a process, an evolution - it has responsibilities. It's not as simple as picking up your lightning bolt and throwing it at so...”

“The most beautiful experience we can have is the mysterious. It is the fundamental emotion that stands at the cradle of true art and true science. Whoever does not know it and can no longer...”