In the epic poem, Paradise Lost, written by Englishman, John Milton, he wrote "the mind is its own place, and in itself, can make a heaven of hell, a hell of heaven."
The significance is that Milton was in failing health and had lost his sight. He had to rely on family members to help put his thoughts onto paper. So while the body is deteriorating, the mind can still produce at high levels.
But with you mentally lazy trolls out there, who spend all your time looking for opportunities to correct someone's grammatical or typo error, like that's some landmark achievement... uh no, you're nothing more than vultures looking for carrion. It makes me wonder of maybe the mind can be warped beyond the point of salvage. Cleatly you trolls are severely deficient where it counts.