银河系中心附近的恒星就像宇宙时钟,帮助我们绘制时空图。
农民是最早的环保主义者;他们的日常决策对我们的地貌影响比任何政策都大。
Nature is a book, and each species is a chapter, each species is a story.
The quality of government is more important than the form of government.
"The power of words lies not in their complexity, but in their ability to touch the heart."