Arthur was still unsure of this "Illuminati" idea. He learned at a young age there would always be good and evil, so Reed's idea of solving everything seemed impossible. However, it seemed important to Reed and even if they could solve some things, it may be worth it. Plus, Arthur liked to have a say in these sort of things.
When he arrived at the warehouse, Reed and another were already there. He smiled and gave a nod at his friend, "Reed."
He walked over to the other man, "Don't think we've had the pleasure. Arthur."