The world is a stage, but the play is badly cast.

The greatest glory is not in never falling, but in rising every time we fall.

系统的稳定性取决于开环传递函数在复平面上的行为。

The challenges of today are the opportunities of tomorrow—if we approach them with the right mindset.

未来属于那些能够适应和变革的人。

地理学是研究地球作为人类家园的科学。