公司的文化是由领导者的行动定义的，而不仅仅是他们的言辞。
A company’s culture is defined by the actions of its leaders, not just their words.
The most exciting applications of drones haven't even been invented yet.
"Every idea has a motor consequence."
最危险的敌人往往是我们自己。
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。