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Nicholas James Vujicic (born on 4 December 1982) is a preacher and motivational speaker -- born with Tetra-amelia syndrome, a rare disorder characterized by the absence of all four limbs. He struggled as a child, eventually came to terms with his disability and started his own non-profit organization Life Without Limbs -- at age seventeen. Vujicic presents motivational speeches worldwide, on life with a disability, hope, and finding meaning in life.
read more about him on this link: http://en.wikipedia.org/wiki/Nick_Vujicic