The Great Liberation Tantra3.78
अस्नातो वा कृतस्नानो भुक्तो वाऽपि बुभुक्षितः ।
पूजयेत् परमात्मानं सदा निर्मलमानसः ॥७८॥
asnāto vā kṛtasnāno bhukto vā'pi bubhukṣitaḥ |
pūjayet paramātmānaṃ sadā nirmalamānasaḥ ||78||
— unbathed ; — or ; — having bathed ; — having eaten ; — or even ; — hungry ; — should worship ; — the Supreme Self ; — always ; — with a pure mind Whether unbathed or bathed, whether he has eaten or is hungry, one should worship the Supreme Self, always with a pure mind.