Kamasutra 9.13

9.13

bhāvato hi kālasya paścādbhāvitvātphalarūpābhāvāttasyāparicchedāt , tathā hi-hetuphalabhedādatra dvividho bhāvaḥ, tatra kāmitā''khyohetuḥ, tasminsati saṃprayogād ratānte ca bhāvaḥ phalam , tasmādubhayarūpādratamavasthāpyate, sa ca mṛdumadhyamātimātrabhedāttrividhaḥ, tatra yasya saṃprayogecchā manāgbhavati ratircā, vīryamalpaṃ saṃprayoge mando vyāpāraḥ śukradhāturvā stokaḥ, kṣatāni ca nāyikayā dantanakhaiḥ prayujyamānāni, upalakṣaṇatvātpraharaṇaṃ ca na sahate ya ityarthādvibhaktivipariṇāmaḥ sa mṛdubhāvatvānmandavego mṛdurāga ityarthaḥ |