I must study politics and war, tapestry and porcelain.
【讲解】:在实行仁德之事的时候对自己的老师也不要谦让。
技术变革不是外生的;它是人们对市场激励做出反应而采取的有意行动的结果。
The greatest discovery of my generation is that human beings can alter their lives by altering their attitudes of mind.