Life is 10% what happens to you and 90% how you react to it.
生活是10%发生在你身上的事,90%是你如何应对它。
世界需要更多的森林,而不是更少。
Every seed we plant today is an investment in tomorrow's food security.
数学的力量来自于它的抽象和概括能力,将具体问题转化为普遍真理。