Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

The unexamined life is not worth living.

文学是反映人类最深欲望和恐惧的镜子。

把一个简单的想法认真对待。

系统辨识是从观测到的输入输出数据中建立动态系统数学模型的科学与艺术。