Skandapurana 16.4.54

16.4.54

tasmātprabhāsaṃ saṃtyajya nānyadgacchettapovanam ..
prabhāsaṃ ye na sevaṃte mūḍhāste tamasā vṛtāḥ .. 54 ..

Therefore, one should not leave Prabhāsa and go to another penance-grove. / Those fools who do not resort to Prabhāsa are shrouded in darkness;