The human being is a most curious creature. He thinks he has a soul, but he is a soul; he has a body.
除非你相信对世界的知识以及由此产生的力量对人类具有内在价值,否则你不可能成为科学家。
美德比恶行更令人畏惧,因为它的过度不受良心的约束。
一本好书的标准在于它能在多大程度上扰乱和困扰读者。