The Four Noble Truths (Sanskrit: catvāri āryasatyāni; Pali: cattāri ariyasaccāni) are "the truths of the Noble Ones,"[1] the truths or realities which are understood by the "worthy ones"[web 1] who have attained Nirvana.[2][web 1] The truths are dukkha, the arising of dukkha, the cessation of dukkha, and the path leading to the cessation of dukkha.