All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.
伟大的事情总是简单,最伟大的事情只有一个词:自游,正义,荣誉,责任,仁慈,希望。
科学中的创新往往来自于以新的方式看待老问题。
The unfinished business of gender equality is one of the defining challenges of our time.
黑色是光的颜色,不是黑暗的颜色。