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.

The human body is amazing," she said. If you deprive it of one sensory input, the other senses take over, almost instantly.

I read nonfiction almost exclusively - both for research and also for pleasure. When I read fiction, it's almost always in the thriller genre, and it needs to rivet me in the opening few chapters.

There is a fine line between insanity and genius.

I've learned never to close my mind to an idea simply because it seems miraculous.

The human mind has a primitive ego defense mechanism that negates all realities that produce too much stress for the brain to handle. It’s called Denial.

It's the age-old battle between mind and heart, which seldom want the same thing.