The Patna Dharmapada 44

44

Uv4:32
apramādarato bhikṣuḥ pramāde bhayadarśakaḥ |
abhavyaḥ parihāṇāya nirvāṇasyaiva so 'ntike ||

Uv 4.32
The monk who delights in heedfulness, seeing danger in heedlessness, / is incapable of falling away; he is right in the presence of nirvāṇa.