The key to successful investing is to have a clear understanding of the risks and rewards and a disciplined approach.

"The past is not dead. It is not even past."

释义：开始时做得好的人确实很多，但能够坚持到底的人却很少。这句话揭示了人们在做事过程中往往容易虎头蛇尾，难以善始善终。 

The most dangerous of all falsehoods is a slightly distorted truth.

In science, the only constant is change.

"The writer's duty is to tell the truth, even when it is uncomfortable."