Courage is what it takes to stand up and speak; courage is also what it takes to sit down and listen.
The universe is not only queerer than we suppose, but queerer than we can suppose.
可持续发展不是一种选择；它是我们对后代的责任。
我不是天使，我是恶魔。
Law is a social phenomenon that reflects the values and norms of a society.