Answer :That he is intelligent and well educated (apex)
Answer:
“We are all searching for someone whose demons play well with ours.”
― Rea Frey
“I made constant deals with myself, as though these deals would culminate in some life-changing event: If there are five babies on the plane, it won’t crash. If I just say yes to this client, I’ll get into Forbes. If the light turns green when I count to three, I won’t complain for the rest of the day. If I don’t eat dessert today, I can have Mexican tomorrow.”
― Rea Frey
“I’ve always been good at keeping secrets—other people’s secrets, friends’ secrets, family secrets, strangers’ secrets. But I’m even better at creating secrets. No one ever guesses them … even if I beg them to try.”
― Rea Frey
He lied to him because he knew that the Cyclops would call his brothers, when blinded, so he said his name was "nobody" so as to have the Cyclops yell out: "Nobody has blinded me". This in turn caused his brothers to not react at all, because they thought that gods had blinded his brother, therefore he is yelling that Nobody blinded him. Let's say then that the third sentence is the only one that can fit the story.