Buy low and sell high. It's pretty simple. The problem is knowing what's low and what's high.
投资就是低买高卖，相当简单。问题是要知道什么是低，什么是高。
Age isn't how old you are but how old you feel.
心理学应该通过结果来衡量心灵。
生命中最伟大的荣耀不在于永不跌倒，而在于每次跌倒后都能站起来。