The crucial thing is to arouse the awareness that as a matter of human conscience we can never permit the people of any country to fall victim to nuclear weapons, and for each individual to express their refusal to continue living in the shadow of the threat they pose.
You know what else I've learnt? That it's all right not to ride the crest of the wave. Every time a wave comes along I retreat, and I haven't come to any harm yet.
I would gladly do it but I am suffering from social phobia. I cannot manage being in a crowd of people.