Peak touches something I believe quite strongly: human superiority is usually overstated. People look radically different in performance, but I suspect much of that difference comes from small initial conditions compounding over time. Cumulative returns are brutal. A tiny edge, repeated for years, can start looking like another species.
Physics trained me to think this way. Atomic energy levels are discrete; fine structure matters; small perturbations produce visible separations. Biology has a similar joke hidden inside it. Human DNA differences are tiny, yet we become obsessed with the surface result: face, voice, posture, taste, ability, accent, tribe.
Brains differ too. Some people seem tuned earlier toward literature, images, music, mathematics, movement, or social pattern recognition. I do not deny that. But I do not see those differences as proof of mystical hierarchy. They are structure, exposure, feedback, repetition, and time. The small becomes large because life keeps applying interest.
What makes this especially tricky is that humans are extremely good at noticing difference. We see faces, accents, clothes, cultures, status signals, skill gaps, and tiny behavioral cues. We are so tuned to distinction that we often miss the overwhelming similarity underneath. Cultural and linguistic differences make the illusion even stronger.
That is why deliberate practice matters. It gives a mechanism for the visible miracle. Specific goals, feedback, discomfort, repetition, and correction do not sound romantic, but they explain a lot. Expertise is not magic. It is similarity under pressure, slowly separating into form.