多元宇宙不是一个理论，而是某些理论的预测。

Critical comments by students should be taken in a friendly spirit， accumulation of material should not stifle the student’s independence.

True leadership is not about exercising power but about empowering others to achieve their potential.

真正的建筑从约束中产生。

数学之美在于它是人类少数几个可以知晓绝对真理的领域之一。