This is a Sanskrit & English translation of https://suttacentral.net/sn1.51/pli/ms
सम्युक्तनिकायः १.५१ — जरःसूक्तम्
saṃyuktanikāyaḥ 1.51 — jaraḥsūktam
Saṃyukta Nikāya 1.51 — Old Age
“किंस्विदा जरसः साधु, किंस्वित् साधु प्रतिष्ठितम्।
किंस्विन्नराणां रत्नं, किंस्वित् चौरैर्दुरहरमिति॥”
“kiṃsvid ā jarasaḥ sādhu, kiṃsvit sādhu pratiṣṭhitam.
kiṃsvin narāṇāṃ ratnaṃ, kiṃsvit caurair duraharam iti.”
“What is good until old age? What is well-established?
What is the jewel of human beings? And what is hard for thieves to steal?”
“शीलमा जरसः साधु, श्रद्धा साधु प्रतिष्ठिता।
प्रज्ञा नराणां रत्नं, पुण्यं चौरैर्दुरहरमिति॥”
“śīlam ā jarasaḥ sādhu, śraddhā sādhu pratiṣṭhitā.
prajñā narāṇāṃ ratnaṃ, puṇyaṃ caurair duraharam iti.”
“Virtue is good until old age. Faith is well-established.
Wisdom is the jewel of human beings, and merit is hard for thieves to steal.”