(Pāli: अनिच्चा anicca; Sanskrit: अनित्य anitya; Tibetan: མི་རྟག་པ་ mi rtag pa; Chinese: 無常 wúcháng; Japanese: 無常 mujō; Korean: 무상 musang; Thai: อนิจจัง anitchang; Vietnamese: vô thường; from Pali `aniccaŋ`) Impermanence is one of the essential doctrines or three marks..... Found on http://en.wikipedia.org/wiki/Impermanence