Mahabharata 13.16.38
अयं ब्रह्मादिभिः सिद्धैर्गुहायां गोपितः प्रभुःदेवासुरमनुष्याणां न प्रकाशो भवेदिति
ayaṃ brahmādibhiḥ siddhairguhāyāṃ gopitaḥ prabhuḥdevāsuramanuṣyāṇāṃ na prakāśo bhavediti
Our plain-language meaning of this verse is waiting for scholar review.