The idea that a bell rings to signal when investors should get into or out of the market is simply not credible.

"The most important thing is to stay true to your values."

生活就是斗争。

我倾向于认为停顿越长，陈述就越有力。

The speed of change is such that we have to run faster just to stay in the same place.

理论计算机科学的美在于它能够将抽象的数学概念与实际的计算问题联系起来。