钓者之恭，非为鱼赐也；饵鼠之虫，非爱之也
凡事不能只看表面现象。钓鱼人虽然躬着身子，并不是因为对鱼恭敬；捕捉老鼠的人，把虫子留给老鼠吃，并不是因为喜爱老鼠。
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
我们一生都在等待开始某事的理想时刻，却没有意识到理想时刻是我们决定开始的时刻。
The great and chief end, therefore, of men's uniting into commonwealths and putting themselves under government is the preservation of their property.
The only limit to our realization of tomorrow will be our doubts of today.
Sustainability isn't a trend—it's a responsibility we owe to future generations.
我一次只担心一天的生活。