As was wise I avoided cities in my long journey, though I passed several, for to enter a city without permission or without satisfactory reason is tantamount to a capital crime, and the punishment is usually a swift and brutal impalement. Pikes on the walls of Gorean cities are often surmounted with the remains of unwelcome guests. The Gorean is suspicious of the stranger, particularly in the vicinity of his native walls. Indeed, in Gorean the same word is used for both stranger and enemy.
Outlaw of Gor    Book 2    Page 49