经济学的研究最终是对人类行为及其后果的研究。

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

I'm a failed poet. Maybe every novelist wants to write poetry first, finds he can't and then tries the short story which is the most demanding form after poetry. And failing at that, only then does he turn to the novel.

时间是决定市场走势的最重要因素。