Natyashastra
न तथाऽग्निः प्रदहति प्रभञ्जनसमीरतः । यथा ह्यप्रयोगस्तु प्रयुक्तो दहति क्षणात् ॥ १७२॥
Fire does not burn so much by the wind of the fan, as when it is used it burns in a moment.
english translation
na tathA'gniH pradahati prabhaJjanasamIrataH । yathA hyaprayogastu prayukto dahati kSaNAt ॥ 172॥
hk transliteration by Sanscript