统计学是从经验中学习的科学，尤其是从他人的经验中学习。

What can be said at all can be said clearly, and what we cannot talk about we must pass over in silence.

我在数学上花费的时间越多，我就越感到兴奋。

解释：砍伐树木不把树根砍掉，必能重新生长；堵塞水不把源头堵住，必会重新流出；消除祸患不铲除产生祸患的根基，祸患还会再生。

The key to successful investing is to have a long-term perspective, a disciplined approach, and a clear understanding of the market and the risks involved.