I think this was the whole point of the "self purification" process that Dr ML King Jr describes in his Letter from Birmingham Jail [0], where they had workshop

I think this was the whole point of the "self purification" process that Dr ML King Jr describes in his Letter from Birmingham Jail [0], where they had workshops on non-violence etc. [0] https://letterfromjail.com/ https://letterfromjail.com/