Vision made a 'hmm' sound in response to the way she scrunched back her nose and claimed she did not enjoy chocolate. Well, perhaps his understanding was incorrect, or his broad scope of humanity was not stated properly. Most people liked chocolate. Some did not. Some were allergic.
"I dream of the world, how it turns, what it is and means to be," he said. "I see Earth from its great beginnings to now. I do not dream in the way that my mind is focusing on the day's tasks and troubles, which cause nightmares or strange visions to you. I do not see that. I simply see the world and it's being." Vision had thought processes and imagination, that was true. One could not be strategic without imagination, could not communicate and discuss on a greater level of thought without being able to see something that was not. However, he did not consider himself a dreamer in which he saw rainbow unicorns and spider monsters battling for the candy kingdom.
"The gem is powerful and in the wrong hands had the ability to manipulate another mind, control it and make that person do the caster's bidding. While the gem will continue to retain it's mind altering powers, it is used primarily as my source of energy. I cannot access its other abilities." Or perhaps he simply would not. It was hard to say, there was so little information and he didn't exactly have the people to discuss it with at the time.