I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell."

"The only real failure in life is not to be true to the best one knows."

有两样东西，人们越是经常持久地对之凝神思索，它们就越是使内心充满常新而日增的惊奇和敬畏：我头上的星空和我心中的道德律。