科学的进步是逐渐认识到我们面临的问题并不像它们看起来那么简单。
现在如果天下的人都相信鬼神能赏贤罚暴,那么天下怎么还会混乱! 
Sustainability isn't just an option; it's our responsibility to future generations.
I believe in the power of perseverance.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.