actually, unless the yeshiva guy has the potential to become a big big talmid chachom, then he should of course learn part of the day and go to college or some vocational school the other half/night. this is the most optimal solution. one must earn a parnasa.
actually, unless the working guy has the potential to become a big big business man, then he should of course learn all day. this is the most optimal solution. one must learn.