成功交易的关键是知道何时买入和何时卖出。
The key to successful trading is to know when to buy and when to sell.
行为主义者放在自己面前的规则或衡量标准总是:我能否用"刺激和反应"来描述我所看到的这一行为?
Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing.
美不是艺术的目标,而是它的副产品。