The Pentacle - The ancients envisioned their world in two halves - masculine and feminine. Their gods and goddesses worked to keep a balance of power. Yin and Yang. When male and female were balanced, there was harmony in the world. When they were unbalanced there was chaos.

Vittoria slipped off her robe. 'You've never been to bed with a yoga master, have you?

I'm somebody who likes codes and ciphers and chases and artwork and architecture, and all the things you find in a Robert Langdon thriller.

One final bit of advice. The next time a senior administrator of the CIA tells you she has a national-security crisis Leave the bullshit in Cambridge.

…Our sunsets have been reduced to wavelengths and frequencies. The complexities of the universe have been shredded into mathematical equations. Even our self-worth as human beings has been destroyed.

When they face desperation... human beings become animals.

I will not write a lame follow-up. It could take me 20 years. But I will never turn in a book that I'm not happy with.