I believe there is true expertise in some endeavors, and not in others. There is obviously no such thing as expertise in predicting the results of coin tosses, but there is expertise in predicting the behavior of lasers.
This quote highlights the nuanced nature of expertise, emphasizing that not all fields are equally susceptible to skilled prediction or judgment. While some outcomes, like flipping a coin, are inherently random and unpredictable, others, such as understanding and predicting laser behavior, are based on well-established science and precise engineering. It underscores the importance of recognizing where genuine knowledge and skill apply, fostering humility regarding Randomness, and appreciating the depth of expertise in scientific disciplines. It invites us to consider the difference between luck and mastery, encouraging continued learning and respect for scientific rigor.