你已经足够好了。
冰和炭不能长久放在同一个容器里,寒天和暑天不会同时到来
We should not only pursue profits, but also the contribution to society.
Only he who desires is amiable and not he who is satiated.
热闹的场合可以锻炼心境,安静可以养心,坐时可以守心,行动时可以考验心灵,言时省心,动时制心。