TantraS, 3, 12.0 yadā tu icchāyām īśane ca karma anupraviśati yat tat iṣyamāṇam īśyamāṇam iti ca ucyate tadā asya dvau bhedau prakāśamātreṇa raśrutiḥ viśrāntyā laśrutiḥ ralayoḥ prakāśastambhasvabhāvatvāt iṣyamāṇaṃ ca na bāhyavat sphuṭam sphuṭarūpatve tad eva nirmāṇaṃ syāt na icchā īśanaṃ vā ataḥ asphuṭatvāt eva śrutimātraṃ ralayoḥ na vyañjanavat sthitiḥ //