Śrīmad-Bhāgavatam · Text 8.21.10
Who is speaking and story frame
न वायं ब्रह्मबन्धुर्विष्णुर्मायाविनां वर: ।
द्विजरूपप्रतिच्छन्नो देवकार्यं चिकीर्षति ॥ १० ॥
na vāyaṁ brahma-bandhur
viṣṇur māyāvināṁ varaḥ
dvija-rūpa-praticchanno
deva-kāryaṁ cikīrṣati
“This Vāmana is certainly not a brāhmaṇa but the best of cheaters, Lord Viṣṇu. Assuming the form of a brāhmaṇa, He has covered His own form, and thus He is working for the interests of the demigods.
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.