The secret of change is to focus all of your energy not on fighting the old, but on building the new.
改变的秘诀在于集中你所有的精力,不是对抗旧的,而是建立新的。
我不会把时间浪费在延长生命。
He is unworthy to live who lives only for himself.
可持续性不仅仅是一种趋势,更是我们对后代的责任。