Mujo: 無常 jap.: mujō, chin.: wuchang, skrt.: anitya, anicca. The Impernanence of everything in the universe, as anything which comes to being will perish (at least some day). Perishing causes suffering to human beings unless she/he is enlightened. So the awareness of Mujo is the first step to enlightenment. Mujo is a basic term in east-asian buddhism, especially Zen.
