诗歌不是奢侈品，而是精神的必需品。

爱国主义是一种有害的、精神错乱的白痴形式。

"I have always liked the phrase 'nursing a grudge,' because many people are tender of their resentments, as of the thing nearest their hearts."

 释义：身体没有受到饥饿和寒冷的痛苦，这是上天不曾亏待我；若是我的学问无所进步，我有何颜面去面对上天呢?

思想的功能是引导成功的行为。