Who said "Never go in against a Sicilian when death is on the line!"?

This quote is attributed to Vizzini.

Never go in against a Sicilian when death is on the line! - Vizzini

"Never go in against a Sicilian when death is on the line!"

Vizzini Humor

Character in The Princess Bride

Buy "The Princess Bride" on Amazon

"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."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."