Who said "Some truths are too dangerous to speak aloud."?

This quote is attributed to Jacques Saunière.

Some truths are too dangerous to speak aloud. - Jacques Saunière

"Some truths are too dangerous to speak aloud."

Jacques Saunière Truth

Character in The Da Vinci Code

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"Numbers are the universal language."

"The truth lies in the shadows of what we think we know."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."