老子说：“你要谨慎，别去扰乱人心。人心受压抑就会颓丧，受推崇就会振奋，但无论颓丧还是振奋，都像是被囚禁和伤害一样，轻轻抚慰才能软化刚强。受到伤害时就像被切割雕刻，情绪激烈时热得像烈土，情绪低落时寒得像凝冰。它变化迅疾，俯仰之间就可再次遨游四海之外；它静处时像深渊一般宁静，活动时高悬于天一般腾跃；奋发矜骄，不可束缚，这恐怕只有人心吧！

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

人的本性是多么的美妙，同样美好的品质从不厚此薄彼，既可以在最出色的君子身上发扬，又可以再最卑污的慈善学校学生的身上滋长。

The dead are our silent collaborators in the quest for knowledge.

The beauty of poetry lies in its ambiguity.