Arthashastra
विपरीता हस्तिनो गृह्यमाणा दुष्टाश् च देश विनाशाय इति ॥
whereas elephants are of the reverse nature and are seen to be destructive of countries even when they are captured and tamed.
english translation
viparItA hastino gRhyamANA duSTAz ca deza vinAzAya iti ॥
hk transliteration by Sanscript