There is something profoundly mysterious about quantum mechanics that we still don't understand.

What seems to us as bitter trials are often blessings in disguise

做数学的艺术在于找到那个包含所有普遍性萌芽的特殊案例。

The stock market is a device for transferring money from the impatient to the patient.

好奇心驱动科学，但道德必须引导它。