How does MLK introduce the concept of non-violence?

King was already familiar with the idea of peaceful protest. ... In his book "Stride Toward Freedom," King described the principles of nonviolence. He wrote that it is possible to resist evil without using violence. People who practice nonviolence must be willing to suffer without fighting back, even in their heart

He wrote that it is possible to resist evil without using violence. People who practice nonviolence must be willing to suffer without fighting back, even in their heart.

Explanation:

He wrote this in his book "Stride Toward Freedom,"