“If we must not act save on a certainty, we ought not to act on religion, for it is not certain. But how many things we do on an uncertainty, sea voyages, battles!”

French mathematician and philosopher of the 17th century, Pascal is best known for his work in probability theory and the development of the Pascaline, an early mechanical calculator. His philosophical writings, particularly *Pensées*, explore faith, reason, and the human condition with a blend of rigor and poetic reflection.