A characteristic feature of T'an-luan's Pure Land Buddhism lies in its thought that Amida Buddha's Vow-power is dominant indirect cause 増上縁. The attainment of birth in the Pure Land, attainment of the state of nonretrogression and abiding in a state in which Buddhahood will be attained in the next life are all promised in Amida Buddha's Original Vow. Once one attains birth in the Pure Land by riding upon the power of the Original Vow, one will surely attain a state in which Buddhahood will be realized in the next life. Thus the important thing is to first be born in the Pure Land. Tan-Iuan understands that those who will be born in the Pure Land are common beings living in the age of the five defilements in which no Buddha is present. Thus ...