“The greatest disability in life is having a bad attitude.”
“The only disability in life is a bad attitude.”
“The only handicap in life is a bad attitude.”
“The greatest discovery of any generation is that a human can alter his life by altering his attitude.”
“The greatest discovery of my generation is that a human being can alter his life by altering his attitudes of mind.”
“You're not disabled by the disabilities you have, you are able by the abilities you have.”