Untouchability is an error of long standing.
When two nations are fighting, the duty of a votary of ahimsa is to stop the war.
As long as you are trying your very best, there can be no question of failure.
You cannot build nonviolence on a factory civilization, but it can be built on self-contained villages.
Service without humility is selfishness and egotism.
I first learned the concepts of non-violence in my marriage.