Natyashastra
एवं रसाश्च भावाश्च व्यवस्था नाटके स्मृताः । य एवमेताञ्जानाति स गच्छेत्सिद्धिमुत्तमाम् ॥ १२१॥
The Sentiments and the States in plays are thus to be created. One who knows this well will attain the best Success [in the production of a play].
english translation
evaM rasAzca bhAvAzca vyavasthA nATake smRtAH । ya evametAJjAnAti sa gacchetsiddhimuttamAm ॥ 121॥
hk transliteration by Sanscript