In my dream … the aliens … took me … to a planet ruled by spiders!
A residence of five years in the country was required before aliens could become naturalized.
I imagine if there are aliens, they've been discreet for a reason.
A special levy on the class of resident aliens (µEToiKtov), probably paralleled by a duty on slaves, was in force.
Josephus might have added that they were disposed to treat aliens as they should have treated their friends.