Natyashastra
स्त्रीपुंसयोस्तु संलापो यस्तु कामसमुद्भवः । तज्ज्ञेयं सुकुमारं हि शृङ्गाररससम्भवम् ॥ ३०३॥
The conversation between a man and a woman that arises from love is to be understood as a delicate and refined expression, originating from the sentiment of erotic love (śṛṅgāra rasa).
english translation
strIpuMsayostu saMlApo yastu kAmasamudbhavaH । tajjJeyaM sukumAraM hi zaRGgArarasasambhavam ॥ 303॥
hk transliteration by Sanscript