God knows everything! (See 1. John 3:20) He knows the outcome of our decisions, and He chooses those who He already knows will choose Him. God chose them to be the holy people He loves. They stripped off their old sinful nature and all its wicked deeds and put on a new nature, and they are being renewed as they learn to know their Creator and become like Him. That is why they do not want to have anything to do with the things they used to do when they were still part of this world, like being sexually immoral, impure, lustful, greedy, worshiping the things of this world, and having evil desires. They also rid themselves of anger, rage, malicious behavior, lying, slander, and dirty language. Their new nature is now tenderhearted, merciful, kind, humble, gentle, and patient. They forgive anyone who offends them and they are always thankful. They let the peace that comes from Christ rule in their hearts. (See Colossians 3:5-15) For God knew His people in advance, and He chose them to become like His Son Jesus Christ! And having chosen them, He called them to come to Him. And having called them, He gave them right standing with Himself. And having given them right standing, He gave them His glory! (See Romans 8:29-30)