Kautilya's Arthashastra 8.4.43

8.4.43

pratirodhakāḥ pramattasyāparahanti, alpāḥ kuṇṭhāḥ sukhā jñātuṃ grahītuṃ ca, svadeśasthāḥ prabhūtā vikrāntāś cāṭavikāḥ prakāśayodino 'pahartāro hantāraś ca deśānāṃ rājasadharmāṇa iti //

No, says Kautilya, robbers carry off the property of the careless and can be put down as they are easily recognized and caught hold of, whereas wild tribes have their own strongholds, being numerous and brave, ready to fight in broad daylight, and seizing and destroying countries like kings.