Quote by René Descartes

"I think, therefore I am."

"Divide each difficulty into as many parts as is feasible and necessary to resolve it."

"The greatest minds are capable of the greatest vices as well as of the greatest virtues."

"Doubt is the key to knowledge."

"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."