The Bible never talks about individual predestination. It never says John or Mark or Jack or Eve were predestined to be saved and the rest were predestined to be damned. It always talks about corporate election based on faith. The only reason it seems difficult to grasp it is because of the massive amount of indoctrination from the Calvinist camp that exists among Protestants, otherwise it's pretty easy to grasp it. In fact, if no one brought the word predestination to your attention, you probably wouldn't even notice it as it's only used in a few verses here and there and often times it's quickly followed by the required condition which is faith. Take Ephesians 1 for example which is the passage you're referring to. If you continue reading, you will see in Ephesians 1:13 that Paul says to the believers that WHEN you believed, you were marked in him with a seal, the promised Holy Spirit. He doesn't say before you believed. He says after which proves my point that regeneration comes after you believe not before. Calvinists teach the exact opposite...