True leadership is about listening, learning, and then leading.
It is the lives we encounter that make life worth living.
經(jīng)濟周期不僅僅是圍繞某個平滑趨勢的波動，而是經(jīng)濟受到根本性沖擊的結(jié)果。
數(shù)學(xué)直覺就像肌肉一樣 - 通過鍛煉會變得更強大。