From science to Chinese studies to French literature, Charbonneau explores how uncertainty guides research, how ideas of progress reshape our understanding of the past, and why history can never be fully known. Rather than seeking definitive answers, he argues for working with provisional certainty—embracing uncertainty as the condition that keeps thought alive.

Everyone's always talking about what we're sure of: certainties, predictions, facts.

Here at “I’m Not Sure”, we take a turn and ask: What are some things we aren’t so sure of? What do scientists, artists, practitioners, experts, and leaders wonder about? What are the questions and curiosities that guide us to explore the smallest particles, the farthest spaces, the deepest mysteries, and our closest relationships?