"One truth discovered is immortal, and entitles its author to be so; for, like a new substance in nature, it cannot be destroyed."

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He, who is gone, was one of the very kindest friends I possessed, and yet he was not kinder perhaps to me, than to others. His intense mind and powerful feelings would, I truly believe, have done the world some service, had his life been spared but he was of too sensitive a nature and thus he was destroyed!

— John Keats