Always be grateful for what you have.
永远对你所拥有的心怀感激。
一本书应该是一种体验,而不仅仅是你阅读的东西。
数学是模式的科学,我们研究它们以理解事物如何运作。
Sustainability isn't a trend—it's our responsibility to the next generation.
世界充满了小小的乐趣;诀窍在于发现它们。
Neither the life of an individual nor the history of a society can be understood without understanding both.