死者并非沉默。他们只是在等待被倾听。

学习数学的最好方法就是做数学。

The strength of a company lies in its people and their commitment to excellence.

The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?

The greatest resistance to injustice is not to imitate it.

追求数学真理是一生的旅程。