Peacefulness is the restrained capacity for violence. Harmlessness is the inability for violence. A violent reaction in physics is rapid change over a short amount of time. Bitcoin is violent against fiat but largely is peaceful except for short periods of violent reaction.

Bitcoin also has the capacity to violently destroy fiat jut is yet restrained by ignorance and lack of universal understanding. 

A double entende because the bitcoiners, layer 0, should also be peaceful in their lives. Train and study to be a hard target. But restrain that power with discipline and tact. If you're extremely peaceful, that means you have extreme violence restrained. I generally apply this sentiment to men but it applies to the gentler sex as well