Galileo Galilei didn’t just transform science – he also left behind a masterclass in handling ignorance: defeating fools without losing your composure. In today’s world, where everyone feels the need to be “right,” his advice resonates more than ever: “Never argue with a fool; he will drag you down to his level and beat you with experience.”

But Galileo’s insight goes deeper. It’s a guide to mental strength, self-discipline, and staying true to yourself.

1. Stay true to your mind

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