"However... there is more... "
Okay, then show me
"Matthew Chapter 10 verse 16 is Jesus saying that He is sending the 12 out like sheep among wolves. He makes no distinction that one of them is not a sheep. This is straight from the Bible. "
Yup, so what? God the father knew nuclear physics and Christ didn't. God the father knew that Judus wasn't a sheep, Christ didn't. Its called limiting himself. It seems he found out later though.
"But if a person's soul is in the state of unbelief and unregenerated, who is their father? "
an unsaved person is not a devil. they are the people not covered by christ's blood. That's it.
"but that contradicts Matthew 12:26 which explicitly states that Satan cannot cast out Satan"
Exactly, there is no contradiction at all. Unsaved are a slave to SIN, not to satan, don't give him so much power, he isn't the antithesis of God. He is just a pitiful being that tried to overthrow God.
"Yet he still chose to trust Judas. Incredible. "
Context MissS. Context. This is clearly a generic statement, "what's in a man". Its ment to show that they wouldn't believe, or understand. Like when you talk to a group of people and they expect something of you, you know them.
Whats really cool is if you read JOhn 18 you will see the statement, "let these men go. He did this so it would be fufilled: " I have not lost one of those you gave me." He couldn't be refering to Judus as well because Judus wasn't suspect, he was the "snitch". Therefore we can conclude that the "those you gave me." Where the 11 disciples.