Experimentation is the key to discovering new possibilities.

The most important rule in trading is to cut your losses short and let your profits run.

You don't have to be a genius or a visionary to succeed. You just need to be persistent.

原始人与文明人在心智能力上的差异远小于他们在文化上的差异。

We try to buy stocks that are selling below their book value.

教育不是为生活做准备；教育本身就是生活。