TantraS, Trayodaśam āhnikam, 40.0 satyataḥ tadāviṣṭasya tathāpi bahir api kāryo yāgo 'vacchedahānaya eva yo 'pi tathā samāveśabhāk na bhavati tasya mukhyo bahiryāgaḥ tadabhyāsāt samāveśalābho yatas tasyāpi tu paśutātirodhānāyāntaryāgaḥ tadarūḍhāv api tatsaṃkalpabalasya śuddhipradatvāt //