nobody is perfect on blue

perfect blue imperfect flawed human fault error mistake fallible infallible limitation frailty humanity unblemished defect shortcoming error-prone vulnerable err blunder erroneous weakness failing impeccable deficiency mistake-prone inadequate erratic guiltless unerring absence unexceptional fallibility indefectible unsatisfactory inaccurate flawless sinless inerrant unbeatable irregular unimpeachable lacking satisfactory unimpaired mistaken erring