共产主义的理论可以用一句话概括:废除一切私有制。
让儿童参与工作,能增强他们对生活环境的责任感。
The history of all hitherto existing society is the history of class struggles.
艺术是一个国家灵魂的反映。
Literature is the exploration of the human soul in all its darkness and light.