Mental processes exist because they have served life's continuance.
变得更好的唯一方法就是不断工作。
就是说做不善的事情要受到惩罚,做善事会得到奖赏。 
众人的好恶容易察明,但自身的缺点好恶则不易发现。
Investors should focus on the long-term and not be swayed by short-term market fluctuations.