Grit: the power of passion and perseverance | Angela Lee Duckworth - YouTube
At 27, I left a demanding job in management consulting to teach seventh-grade math in New York City public schools. I noticed that IQ wasn't the sole determinant of my students' success; some with average IQs excelled, while some with high IQs struggled. This observation led me to believe that every student could master the material with enough effort and time.