"Children deserve books that challenge them, not just entertain."
我的国家是世界，我的宗教是行善。
译文：高贵的人虽然自以为尊贵，但在我看来却如尘埃;低贱的人虽然自以为卑微，但在我看来却重如千钧。
"The world is a stage, but the play is badly cast."
我不会让任何人定义我。
自由就像我们呼吸的空气；没有它，我们会窒息。
The human mind is capable of comprehending the universe because the universe has generated minds capable of comprehending it.