There are three
different methods in which we may combat the letter.
The first comes into play where it is clear that it is
impossible always to observe the letter of the law.
“Children shall support their parents under penalty
of imprisonment.” It is clear, in the first place, that
this cannot apply to an infant. At this point we
shall turn to other possible exceptions and distinguish
as follows. “Does this apply to everyone who refuses
to support his parent? Has this particular individual
incurred the penalty by this particular act?”