Who said "The battle of wits has begun!"?

This quote is attributed to Vizzini.

The battle of wits has begun! - Vizzini

"The battle of wits has begun!"

Vizzini Adventure

Character in The Princess Bride

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"Inconceivable!"

"Fezzik, are there rocks ahead? If there are, we'll all be dead."

"The cliffs of Insanity!"

"I am not being paid to make him happy."

"The greatest adventure is life itself."

"The adventure of life begins with a single step."

"Adventure finds you when you stop running."

"Fortune and glory, kid."