Leadership is about making the tough decisions when they matter the most.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。
解释:好像白色的丝一样,放到蓝色的染缸中,就成为青色;放到红色的染缸中,就成为赤色。
心就是用来碎的。
The voice of indigenous communities must be heard in forest conservation efforts.
当你认为自己无所不知的那一刻,恰恰是你最需要学习的时候。