What this quote means

Lev Landau's quote ironically highlights the unwavering confidence of cosmologists, even when wrong. It resonates in any scientific field where provisional certainties are presented as facts. It invites us to cultivate healthy skepticism and acknowledge that error is part of the quest for knowledge, without losing faith in our methods.

How to apply it daily

When faced with a certainty, ask yourself: 'What evidence could change my mind?' Stay open to revising your ideas.