领导者必须有勇气在今天做出艰难的决定，以换取更美好的明天。

当我们保护森林时，我们不仅仅是在拯救树木，更是在守护人类的未来。

The best way to achieve long-term investment success is to focus on low-cost, broadly diversified index funds.

I never look back. I look forward to the next challenge.

"The world is not a problem to be solved but a mystery to be lived."

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

几何学是独特且永恒的，是上帝心智的反映。