Arthashastra
Progress:72.4%
स्व भूमिष्ठेषु तु त एव उपायाः ॥
the difference is this: the chief messengers known to the manufactories may be sent to any one of the local enemies in order to employ him for the purpose of making a treaty or for the purpose of destroying another person.
english translation
Chapter 6
Verse 62
Verse 64