Bhagavatapurana 4.21.39

4.21.39

yat-sevayāśeṣa-guhāśayaḥ sva-rāḍ vipra-priyas tuṣyati kāmam īśvaraḥ /
tad eva tad-dharma-parair vinītaiḥ sarvātmanā brahma-kulaṃ niṣevyatām //

39. The Supreme Lord who dwells in the heart of all creatures, who as the absolute ruler and beloved of Brahmans is highly pleased with the worship of Brahmans; therefore let the race of Brahmans be worshipped with sincere and full heart by those that are properly trained and divoted to righteous duties, pleasing to Him (Hari).