A study on Yan Zhitui's thoughts Study on Yan Zhitui's thoughts A study of G.C. Spivak's thoughts a study of malcolm X's thoughts A study on Fukuzawa Yukichi's thought A study on Lenin's strategic thought A study on Chen Zheng's economic thoughts A study on Shen Deqian's poetic thoughts a study of Judith Butler's thoughts a study on Lyotard's Marxist thoughts