said when
one is making an effort on something that there is no chance of succeeding; or spending time and energy on an activity that is already widely rejected or outdated.
also
It is useless to flog a dead horse
proverb
said when
one is making an effort on something that there is no chance of succeeding; or spending time and energy on an activity that is already widely rejected or outdated.
also
It is useless to flog a dead horse