Effectual calling is the work of God's Spirit, whereby convincing us of our sin and misery, enlightening our minds in the knowledge of Christ, and renewing our wills, he persuades and enable us to embrace Jesus Christ, freely offered to us in the gospel.
“Who has saved us and called us with a holy calling.” ~2 Timothy 1:9
“To open their eyes so that they may turn from darkness to light and from the dominion of Satan to God.” ~Acts 26:18
“Moreover, I will give you a new heart and put a new spirit within you; and I will remove the heart of stone from your flesh and give you a heart of flesh.” ~ Ezekiel 36:26 (NASB)
Jesus said, “No one can come to Me unless the Father who sent Me draws him; and I will raise him up on the last day. It is written in the prophets, ‘AND THEY SHALL ALL BE TAUGHT OF GOD.’ Everyone who has heard and learned from the Father, comes to Me.” ~ John 6:44-45 (NASB)
“No human being has the ability to come to Christ unless God the Father draws him, that is, gives him the desire to do so.” (ESV Global Study Bible Notes)