"1 ¶ And Jesus answered and spake unto them again by parables, and said, 2 The kingdom of heaven is like unto a certain king, which made a marriage for his son, 3 And sent forth his servants to call them that were bidden to the wedding: and they would not come. 4 Again, he sent forth other servants, saying, Tell them which are bidden, Behold, I have prepared my dinner: my oxen and my fatlings are killed, and all things are ready: come unto the marriage. 5 But they made light of it, and went their ways, one to his farm, another to his merchandise: 6 And the remnant took his servants, and entreated them spitefully, and slew them. 7 But when the king heard thereof, he was wroth: and he sent forth his armies, and destroyed those murderers, and burned up their city. 8 Then saith he to his servants, The wedding is ready, but they which were bidden were not worthy. 9 Go ye therefore into the highways, and as many as ye shall find, bid to the marriage. 10 So those servants went out into the highways, and gathered together all as many as they found, both bad and good: and the wedding was furnished with guests. 11 And when the king came in to see the guests, he saw there a man which had not on a wedding garment: 12 And he saith unto him, Friend, how camest thou in hither not having a wedding garment? And he was speechless. 13 Then said the king to the servants, Bind him hand and foot, and take him away, and cast him into outer darkness; there shall be weeping and gnashing of teeth. 14 For many are called, but few are chosen."
This parable taught by Jesus and related in the Bible serves a dual purpose; but it has a singular theme, "The Kingdom of Heaven." Verses Mat 22:2-7, notify the Chosen People of Israel that the "Promise" is no longer made solely to them. Verses Mat 22:8-14 show that it was now being extended to the Gentiles.
Many focus on verses Mat 22:11-13, claiming that the one who was thrown out was expelled because he did not choose to put on a wedding garment, which is symbolic of salvation. Therefore, they say that this proves "free choice", or "free will", salvation, and thereby refutes the doctrine of "election."
However, you will note in verse Mat 22:10, the following:
"So those servants went out into the highways and gathered together all whom they found, both bad and good. And the wedding hall was filled with guests."
In Scripture, 'bad' and 'good', in this type of context, are equivalent to 'unrighteous' and 'righteous.' We know that the Bible teaches that only the righteous will inherit the Kingdom of Heaven and attend the Wedding Feast of the Lamb. And that the righteous will have a wedding garment; whereas the unrighteous will not have one. Therefore, there is no choice indicated in verses Mat 22:11-13. The one put out was illustrative of all the unrighteous, who do not have a wedding garment.
Verse 10, affirms the "Great Commission", that the Gospel invitation is to be spread to all. But it does not provide a guarantee of being allowed to attend the feast, as evidenced by verses Mat 22:11-13.
"For many are called, but few are chosen."
Verse Mat 22:14, affirms that receiving the invitation does not guarantee the right to attend. Further it clearly states that attendees are chosen by the Great King, who we know is symbolic of Our Heavenly Father. Therefore, contrary to the claims of many, this parable does not affirm "free choice" salvation; it proclaims salvation by God's Sovereign will, "election" through the "Sovereign Grace" of God.