thoughtlessness;  indiscretion
 discreet and well-advised judgment;  wise and mature judgment;  making judgment with prudence
 prudence;  distinction;  discrimination
 wisdom and good (common sense) judgment
 make a choice among many;  select the good (desirable, necessary, relevant) and discard the rest;  decision to adopt or reject
 dividing up rubbish into burnable and non-burnable
 superficial (shortsighted) way of thinking;  half-baked (foolish, ill-advised) idea