最好的商业模式往往是最简单的。

解释：国家大而政绩小，国家的影响就跟它的政绩一样；国家小而政绩大，国家的地位也大。

The greatest risk is standing still while the world changes around us.

Investors should focus on long-term goals and ignore short-term market fluctuations.

The only real knowledge is self-knowledge.

The key to success is continuous learning and improvement.