Act first, explain later.

The Last Supper is supposed to be thirteen men. Who is this woman?

"Everyone misses it, our preconceived notions of this scene are so powerful that our mind blocks out the incongruity and overrides our eyes.

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.

When a question has no correct answer, there is only one honest response.
The gray area between yes and no.
Silence.

Every faith in the world is based on fabrication. That is the definition of faith―acceptance of that which we imagine to be true, that which we cannot prove. Every religion describes God through metaphor, allegory, and exaggeration, from the early Egyptians through modern Sunday school. Metaphors are a way to help our minds process the unprocessible. The problems arise when we begin to believe literally in our own metaphors.

Should we wave a flag and tell the Buddhists that we have proof the Buddha did not come from a lotus blossom? Or that Jesus was not born of a literal virgin birth? Those who truly understand their faiths understand the stories are metaphorical.

My sincere hope is that 'The Da Vinci Code,' in addition to entertaining people, will serve as an open door to begin their own explorations.