119. Does the sinner also have to do something for this transformation to happen in him?

Yes, his whole will is involved in the conversion. It is a determined change of direction by the sinner turning away from sin and towards Jesus.

• Assuredly, I say to you, unless you are converted and become as little children, you will by no means enter the kingdom of heaven. (Matthew 18:3)
• Now when they heard this, they were cut to the heart, and said to Peter and the rest of the apostles, “Men and brethren, what shall we do?” Then Peter said to them, “Repent, and let every one of you be baptised in the name of Jesus Christ for the remission of sins; and you shall receive the gift of the Holy Spirit. (Acts 2:37-38)