Arthashastra
सूद आरालिक व्यञ्जना वा प्रणिहिता दूष्यं रसेन अतिसंदध्युः ॥
Spies under the guise of sauce-makers and sweet meat-makers may, when opportunity occurs, contrive to poison him.
english translation
sUda ArAlika vyaJjanA vA praNihitA dUSyaM rasena atisaMdadhyuH ॥
hk transliteration by Sanscript