Blaise Pascal was born in Clermont-Ferrand in 1623. As a boy he showed precocious talents for mathematics and invention, and even designed an early calculating machine. At the age of thirty-one, while staying at the abbey of Port-Royal-des-Champs, he had a visionary experience which he tried to describe on a piece of paper headed FIRE: Certainty. Certainty. Feeling, Joy, Peace.
