It is of no coincidence the greatest spiritual leaders underwent a time of paramount solidarity, a walk in the desert. It very well may be true when they say that we don’t have to, but it means nothing at all to us if we don’t know why.
There is a lot of trouble possible when people get caught in a helping mentality. When we deem that others need our help and we somehow grow in worth as we help more people, it is more likely that the help we think we are giving is actually doing harm.
Zen koans often end with a perfectly ridiculous resolution to a problem accompanied by, hopefully, the unexpected awakening of a monk. Don’t we all love a nice wholesome happy ending?