Civilization ranks
The soldiers studied Lex for a moment, with him still being in his Leo persona, and quickly judged him to be an inexperienced youth. This did not put him at ease, as he had not intended to fool Lex to begin with. He was just disappointed that the effectiveness of their instructional course would drop.
"There are a few things to keep note of about the universe. According to our notes, your civilization has not achieved interstellar travel nor has it been contacted by external civilizations, so it is unlikely you will need this information, but life is unpredictable, so you should memorize it anyway.