| PROLOGUE TO ACT 1: The presumption of man |
| Blaise Pascal (1623–1662) in a monastery garden, circa 1658. |
| ACT 1: Confusion and paradox |
John Wallis (1616–1703), Antoine Arnauld (1612–1694), Gottfried Leibniz (1646–1716), in conversation, circa 1690. Leonhard Euler (1707–1783) giving front-stage commentary as a young man, circa 1730.
| PROLOGUE TO ACT 2: The courage of the quest |
| Blaise Pascal, circa 1694, in the after-life. |
| ACT 2: Introducing the strangers |
Scene 1 : Nicholas Saunderson (1682–1739), in a Cambridge lecture room, circa 1730.
Scene 2 : Leonhard Euler, dictating to an untutored and inexperienced scribe in his St. Petersburg house, circa 1770.
Scene 3 : Pierre-Simone Laplace (1749–1827), at the École Normale in post-Revolution Paris, circa 1796.
| EPILOGUE: Forward in Faith! |
Jean d'Alembert, reading from a volume of the great Encyclopédie, in 1783—the year of his death.
| LAST WORD: The humbling of science |
| The spirit of Pascal pronounces on the past and prophecies the future. |