The Lord has given everyone of us sufficient ability to attain success in life. There are many stories of people who succeed despite of their physical handicapped: Blind people, crippled, people with no arms, no feet, etc. Only people with no heads who did not succeed in life.
Illustration. An artist in Mexico lost his right hand while working on a statue. But he did not give up his work. He learned to carve with his left hand. His beautifully finished masterpiece was called 'In Spite Of' that became well known throughout the history."
From Joel Santos’ Sermon "A Committed Christian"