"I wonder how many people I've looked at all my life and never seen."
我想知道我一生中看过多少人,却从未真正看见过他们。
当今世界面临的最重要挑战是在发展中国家建立强大、有效且负责任的国家。
"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."