To turn this philosophy into action, learners can adopt habits designed to surface errors: asking “What evidence would change my mind?”, steelmanning opposing views, and revisiting past conclusions with fresh data. These practices treat beliefs as hypotheses rather than possessions, which makes updating them feel like progress instead of loss.
In the end, Grant’s quote suggests a mature definition of education: it is not the accumulation of reasons to stay the same, but the disciplined willingness to become someone who thinks differently when reality demands it. That is how learning earns its deepest purpose—by helping us evolve. [...]
