KAṬHA UPANISHAD · 1.1.3
पीतोदका जग्धतृणा दुग्धदोहा निरिन्द्रियाः ।
अनन्दा नाम ते लोकास्तान् स गच्छति ता ददत् ॥ ३॥
pītodakā jagdhatṛṇā dugdhadohā nirindriyāḥ ।
anandā nāma te lokāstān sa gacchati tā dadat ॥ 3॥
“Cattle that have drunk their water, eaten their grass, yielded their milk, worn out their organs, of undelight are the worlds which he reaches who gives such as these.”
Sri Aurobindo · CWSA 18, p. 101