著名文艺理论家宗白华先生说过:“历史上向前一步的进展,往往是伴着向后一步的探本穷源。李、杜的天才,不忘转益多师。十六世纪的文艺复兴追慕着希腊,十九世纪的浪漫主义憧憬着中古。”这就告诉我们,文学创作有其不可抗拒的历史规律,不是凭谁的主观意志就可以违背的。那么,如何才能创作出优秀的诗作呢?著名学者顾随先生说:“诗要有: Mr. Zong Baihua, a famous literary theorist, said: ”The progress in the history is often accompanied by the backward exploration of the poetic source.“ Li, Du genius, did not forget to benefit more teachers. Of the Renaissance chasing Greece, the nineteenth century romantic vision of the Middle Ages. ”This tells us that literary creation has its irresistible historical laws, not by whom the subjective will can be violated. So, how to create excellent poetry? Mr. Gu Su, a famous scholar, said: "Poetry must have: