HYP, Prathama upadeśaḥ, 13.2 bāhye maṇḍapavedikūparuciraṃ prākārasaṃveṣṭitaṃ proktaṃ yogamaṭhasya lakṣaṇam idaṃ siddhair haṭhābhyāsibhiḥ //

HYP, Caturthopadeśaḥ, 79.2 etān abhyāsino manye prayāsaphalavarjitān //