The world is a stage, but the play is badly cast.
The Internet is not just a technology, it's a social phenomenon.
The circumstances of the world are continually changing, and the opinions of man change also; and as government is for the living, and not for the dead, it is the living only that has any right in it.
未来蓬勃发展的企业将是那些服务社会的企业。
The challenge of climate change requires collaboration between governments, businesses, and civil society.
学习数学的唯一方法就是做数学。