A religion that gives nothing, costs nothing, and suffers nothing, is worth nothing.
可持续性不仅仅是一个选择;这是我们对后代的责任。
The only limit to our realization of tomorrow is our doubts of today.
最糟糕的不平等形式是试图使不平等的事物平等。
The desire for a just society is a permanent part of the human condition.