Satyagraha theory also influenced many other movements of nonviolence and civil resistance. Ahimsa is the practice of nonviolence, or non-harming. This was because of his large emphasis on ahimsa, or nonviolence. The vows include a complete commitment to nonviolence ("Ahimsa"). Author Leo Tolstoy cited "Civil Disobedience" as having a strong impact on his nonviolence methodology. Many Christian anarchists practice the principles of nonviolence, nonresistance, and turning the other cheek. Gandhi's Satyagraha was partially influenced and inspired by Shelley's nonviolence in protest and political action. At times there is confusion and contradiction about nonviolence, harmlessness and passivity. Green parties in Europe have programs based on ecology, grassroots democracy, nonviolence, and social justice. After initiating the idea he organized and educated the students in nonviolence tactics and philosophy. The occupy movement began with a commitment to nonviolence. Traditionally, Anabaptists hold firmly to their beliefs in nonviolence. The protesters' politeness, tidiness and "staunch adherence to nonviolence" was widely commented on. She admired him for being motivated by religious inspiration and committed to nonviolence. The letters concern practical and theological applications of nonviolence.