Standard Active Record validation messages

{:inclusion => "is not included in the list" ,
 :exclusion => "is reserved" ,
 :invalid => "is invalid" ,
 :confirmation => "doesn't match confirmation" ,
 :accepted => "must be accepted" , 
 :empty => "can't be empty" ,
 :blank => "can't be blank" ,
 :too_long => "is too long (maximum is %d characters)" ,
 :too_short => "is too short (minimum is %d characters)" ,
 :wrong_length => "is the wrong length (should be %d characters)" , 
 :taken => "has already been taken" ,
 :not_a_number => "is not a number" ,
 :greater_than => "must be greater than %d" , 
 :greater_than_or_equal_to => "must be greater than or equal to %d" , 
 :equal_to => "must be equal to %d" ,
 :less_than => "must be less than %d" , 
 :less_than_or_equal_to => "must be less than or equal to %d" , 
 :odd => "must be odd" ,
 :even => "must be even" }