“It’s not that I’m so smart,” Albert Einstein once said. “It’s just that I stay with problems longer.” Einstein’s simple statement is a clarion call for all who seek greatness, for themselves or their children. In the end, persistence is the difference between mediocrity and enormous success.”

“It’s not that I’m so smart,” Albert Einstein once said. “It’s just that I stay with problems longer.” Einstein’s simple statement is a clarion call for all who seek greatness, for themselves or their children. In the end, persistence is the difference between mediocrity and enormous success.”

— David Shenk