Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

可持续性不是一种选择；它是我们对下一代的责任。

任何优秀的飞行员，无论他有多么高的天赋和丰富的经验，都不会不使用检查表。

The most significant threat to liberal democracy comes from within, from the decay of institutions and the loss of trust in them.

Enterprises should actively undertake social responsibilities, create value for employees, and contribute to society.

无人机的未来属于那些敢于突破边界的人。