坐禪三昧經 2.96

2.96

答曰：「若言無常諦復疑，苦諦亦疑，無我諦亦疑，一種難處。復次，若言無常諦無咎，空非我諦亦無咎。若無常苦空無我諦，於說為重故，是故於四說一。」

Answer: "If one were to speak of the 'truth of impermanence,' there would again be doubts; there would also be doubts regarding the truth of duḥkha and the truth of non-self—they share the same difficulty. Furthermore, if one were to say 'the truth of impermanence,' there would be no fault; with 'the truth of emptiness and non-self,' there would also be no fault. But if one were to say 'the truth of impermanence, duḥkha, emptiness, and non-self,' it would be burdensome to say; therefore, among the four, only one is spoken."