释义:不考虑在安逸的环境中要想到危难,用节俭来戒除奢侈,不使自己的道德处于深厚的境界,不能使自己的情欲战胜物质欲望,这就像砍伐树木的根却想要树木长得茂盛,堵塞水的源头却想要水流得长远一样荒谬。 
Green development is not just a responsibility but also an opportunity.
在对人类心理史的研究中,这一事实给人以深刻印象:心智的成长就是意识范围的扩展,前进的每一步都是伴随着极度痛苦和艰难的成就。几乎可以说,人们最最痛恨的就是放弃潜意识,即使所放弃的仅是极微小的一点潜意识。试图引入新观念的人对此深有体会。
The present is always an unstable place, the past is where we think we know where we are.