题目的两句话，倒个过儿，分两章，先说第二句，再说第一句。（一）知不足知不足，是所有有理想、有追求、有事业心的人的最可宝贵的品格。“盛德若不足”。人生追求，道德修养，总有不足，永无止境——这是一方面；另一方面，人，“生也有涯而知也无涯”，以有限的生命索取无 The title of the two sentences, too late, divided into two chapters, first say the second sentence, say the first sentence. (A) lack of knowledge is the most valuable character of all people who have ideals, pursuits and dedication. “Saide if inadequate.” The pursuit of life, moral self-cultivation, there are always shortcomings, there is no end - this is on the one hand; on the other hand, people, “life also know knows no boundaries”, with limited life