We all know them—brilliant at 25, identical at 45. Same opinions, same references, same certainties. They’re not getting dumber; they’ve just stopped getting smarter. The tragedy isn’t the plateau. It’s that they’ve mistaken the halfway point for the summit. Listen carefully, and they’ll tell you exactly when they stopped climbing. 1. “I’ve done my research” … Continue reading "9 things people say that reveal they peaked intellectually and it’s all downhill from there"