A contented mind is the greatest blessing a man can enjoy in this world.知足是人生在世最大的幸事。－Joseph Addison（美国作家艾迪生）If you would know the value of money, go and try to borrow some.要想知道钱的价值，就想办法去借钱试试。－Benjamin Franklin（美国总统富兰克林） If you wish to succeed, you should use persistence as your good friend, experience as y...
