That"extreme joy begets sorrow" is one of traditional subjects in Chinese ancient literature. As a mature sign of Chinese novel, many Tang legends have the same theme.

乐极生悲是我国古代文学的传统主题之一，作为中国小说成熟标志的唐传奇自然有诸多名篇佳作涉及这一主题。

They also examined ancient texts and literature from Egypt and Greece, and say that there's little sign that cancer was a common ailment.

他们在研读埃及和希腊的古经文和文学作品后表示，目前几乎没有证据显示，癌症在当时时一种常见病。

Feminine consciousness is the basic sign of distinguishing the male literary creation from female literature.

女性意识是女性文学区别于男性文学创作的根本标志。