挑战是伪装的机会;用勇气和智慧拥抱它们。
Challenges are opportunities in disguise; embrace them with courage and wisdom.
世界充满了诗意,但很少有人有眼睛去看见它。
理性预期假说并不意味着人们能够完美地预测未来。
The idea that a bell rings to signal when investors should get into or out of the stock market is simply not credible.