"A great book is one that leaves you changed, with a new perspective on life and a deeper understanding of the human condition."
The only limit to our realization of tomorrow is our doubts of today.
可持续发展需要在经济增长与环境保护之间取得平衡。
人类是一种非常奇特的生物。他以为自己有灵魂,但他所拥有的只是一具躯体。