Kaṭha Upaniṣad 1.2.3.p5

1.2.3.p5

ā.bhā. - sa kimamanyata ityākāṅkṣāyāmāha - pītaṃ udakaṃ yābhiḥ tāḥ pītodakāḥ, jagdhaṃ tṛṇaṃ yābhiḥ tāḥ jagdhatṛṇāḥ, dugdho dohaḥ kṣīrarūpaḥ yāsāṃ tāḥ dugdhadohāḥ, dānātpūrvakālaparyantaṃ yāvat pānīyaṃ pītaṃ tāvatpītameva dānānantaraṃ tu pānīyamapi pātum asamarthāḥ, yāvattṛṇaṃ dānapūrvakāle bhakṣitam, tataḥ paraṃ tṛṇamapyattumasamarthāḥ, kṣīrākhyo dohaśca yāsāṃ yo dugdhaḥ sa dugdhaḥ, na ataḥ paraṃ tāsāṃ dohaḥ śakyaḥ dogdhum, dugdhadānāsamarthāśca ityarthaḥ | nirgataṃ prajananasāmarthyahīnaṃ jātamindriyam jananendriyaṃ yāsāṃ tāḥ, nirindriyāḥ - vatsotpādanāsamarthāḥ, etena pāyorapi1 śaktihīnatvaṃ bodhyate | ataḥ śaktirahitapāyukatayā dravībhūtaśakṛddāne'pi2 lepanādiyogyagomaya3dānāśaktatayā niṣphalatvaṃ pradarśitam | evambhūtāḥ yā gāvaḥ tāḥ dadat - ṛtvigbhyo dakṣiṇārūpatayā dadat - prayacchan yajamānaḥ, te - prasiddhāḥ, anandā nāma lokāḥ, nandayanti iti nandāḥ na nandāḥ anandāḥ asukhakarāḥ lokāḥ śāstraviditāḥ santi, tān sa - dakṣiṇābuddhyaitādṛśagopradātā yajamānaḥ gacchati iti mananaṃ kṛtavān ityarthaḥ ||