We're all bad trees:
Mark 10:18
“Why do you call me good?” Jesus answered. “No one is good—except God alone.
True it is the new birth that makes us a good tree. However choosing to accept the Gospel is never called "salvation by works" in the Bible.
What is more Romans 10 points to the fact that such a choice comes before being turned into a good tree.
Rom 10
9 that
if you confess with your mouth Jesus
as Lord, and believe in your heart that God raised Him from the dead,
you will be saved; 10 for with the heart a person believes,
resulting in righteousness, and with the mouth he confesses,
resulting in salvation.
Clearly the new birth miracle comes after the choice of Romans 10:9
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Consider these "laments" of God.
Calvinism claims God is the source of His own lament - by answering the Isaiah 5:4 question "What MORE could I have done " by saying "Yes Lord we know what you forgot to do - you forgot to first make them born-again so all their choices would follow what you want"
Matthew 23
37 “Jerusalem, Jerusalem, who kills the prophets and stones those who are sent to her!
How often I wanted to gather your children together, the way a hen gathers her chicks under her wings,
and you were unwilling. 38 Behold, your house is being left to you desolate! 39 For I say to you, from now on you will not see Me until you say, ‘Blessed is He who comes in the name of the Lord!’”
Isaiah 5:4
"
What MORE could I have done that I have not done!"
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But instead of Calvinism's "bust down the door and make them born-again then go back outside and ask them to make the right decision" -- God says this
"
I STAND at the door and knock - if any hears My voice AND opens the door I will come in" Rev 3