If you want to feel impotent for the rest of your life, become a doctor, better still, work in a village.
Seven out of ten times, it is too late by the time they come to you. All that you know, All that you can do is of no use.
Either its too late, or too expensive.
We survive, on the other thirty percent, drawing strength from them, believing that every life matters and that slowly, with time, the numbers of those who can be helped will increase.
Lot of belief.