气，无形之形，无声之声。
释义：他或许将气视为一种无形无声的存在，但又能通过其影响力和作用力展现出其存在。
The key to trading success is to have a clear plan and stick to it.
Free competition is the great means of increasing the efficiency and prosperity of the economic system.
我不是什么该死的榜样。
读书人如同国家的宝物，儒生就像宴席上的佳肴一样，值得珍重。