How far will AI go? Will ChatGPT and consorts hinder our freedom to think and decide? How to find meaning in the age of quantum computing? At the heart of our contemporary anxieties, Etienne de Rocquigny summons the four-hundred-year-old genius. Blaise Pascal. Huge philosopher. Unknown serial engineer-entrepreneur. Inventor of probability and the mental machine: the ancestor of tech. By posing a dialogue between the master of wisdom and the current entrepreneur, this book questions the meaning of the technological adventure, the virtues and limits of AI, ethics, the heart and free will for a burst of purpose.