 The Ekottara Āgama even contains variants on such standard teachings as the Noble Eightfold Path.According to Keown, "there is considerable disparity between the Pāli and the [Chinese] versions, with more than two-thirds of the sūtras found in one but not the other compilation, which suggests that much of this portion of the Sūtra Piṭaka was not formed until a fairly late date.