(the) tools of ignorance
(that's baseball catcher's protective equipment, for the, um, baseball ignorant)
Ignorance is bliss.
(Baseball, the girls play that game over here, they call it rounders)
blissfully unaware
(for some reason, the ladies only play softball out here, but softball is just a variant of baseball)
innocent by reason of insanity
politicians of government
corruption is undesirable