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.

If it wasn't painfully difficult, you did it wrong!

Terrorism is not an expression of rage. Terrorism is a political weapon. Remove a government's facade of infallibility, and you remove it's people's faith.

In 325 A.D., the Roman Emperor Constantine decided to unify Rome under a single religion ... Historians still marvel at the brilliance with which Constantine converted the sun-worshipping pagans to Christianity. By fusing pagan symbols, dates, and rituals into the growing Christian tradition, he created a kind of hybrid religion that was acceptable to both parties.

As he flushed, an unexpected realization hit him. This is the Pope's toilet, he thought. I just took a leak in the Pope's toilet. He had to chuckle. The Holy Throne.

Coincidence was a concept he did not entirely trust. As someone who had spent his life exploring the hidden interconnectivity of disparate emblems and ideologies, Langdon viewed the world as a web of profoundly intertwined histories and events. The connections may be invisible, he often preached to his symbology classes at Harvard, but they are always there, buried just beneath the surface.

Great minds are always feared by lesser minds.