The real tragedy is the tragedy of the man who never in his life braces himself for his one supreme effort, who never stretches to his full capacity, never stands up to his full stature.
真正的悲剧是那个人生中从未为他的一次至高无上的努力振作过，从未发挥过他的全部能力，从未挺直过他的全身。
要解决复杂的问题，我们必须首先理解产生这些问题的系统。
如果你不前进，就是在落后。