投资者应警惕高费用和复杂的产品。

数学中发现的快乐是无与伦比的。

The way we perceive the world is heavily influenced by our past experiences and current expectations.

The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.

人，与宇宙中任何其他有机或无机的事物不同，超越了他的工作，走上他的概念的楼梯，超越了他的成就。