Success is focusing the full power of all you are on what you have a burning desive to achieve.

Success（主语）is（系动词作谓语） focusing（动名词引出表语,这是由be+ V-ing所构成的系表结构）the full power of all (you are) （all的后置定语从句）on (what you have a burning desire (to achieve)（不定式...