坐禪三昧經 2.36

2.36

復次，觀諸世間盡苦空無有樂，是苦因習愛等諸煩惱，是習智緣盡，是名上法，更無有上。八直道能令行人得至涅槃，更無有上。如是信心不悔不疑，忍是名忍。是中更有忍，種種結使、種種煩惱疑悔，來入心中不能令破，譬如石山種種風水不能漂動，是故名忍，是事得名真好野人。如佛說《法句》中：

Furthermore, he contemplates that all worlds are entirely suffering and empty, without any pleasure. This suffering is caused by the accumulation of craving and other kleśas; the knowledge of this origin whose object is cessation is named the supreme dharma, than which nothing is higher. The eightfold correct path can enable the practitioner to reach nirvāṇa, than which nothing is higher. With such faithful mind, without regret and without doubt, to accept this is named acceptance. Within this there is further acceptance: various fetters and various kleśas, doubts and regrets, entering into the mind, are unable to shatter it—just as various winds and waters cannot dislodge a stone mountain. Therefore it is named acceptance, and on this account he is named a genuinely good ordinary person. As the Buddha said in the Dharmapada: