The constriction of the Corinthians' hearts was not due to Paul, but to their own resistance to God's grace incarnate in Christ, proclaimed in the Gospel, and resulting in holiness of heart and life.

Heidelberg Catechism Qqs 40-44, with brief comments on 43 and 44.

The first day of the week, the very day of his resurrection, the risen Lord Jesus joined his disciples in their gathering, turning fear into peace and doubt into joy.

Christ's words on the cross as recorded by Luke demonstrate the heart of the Gospel, give assurance to the believer in the face of death, and call on us to entrust ourselves into God's hands in every time.

In explaining why his disciples could not fast at the moment, the Lord Jesus made a profound claim for his identity as the promised and expected bridegroom who would bring God's people to the perfection of joy.

David demonstrates in this Psalm that the ultimate answer for an overwhelmed heart is to take refuge in the Lord Jesus Christ.

Christ used the astonishing proclamation of his victory over the world to pacify and strengthen the disciples' hearts, so their faith wouldn't be overthrown by the trial of his death, and so they would have confidence to return to him after the resurrection, in spite of their failures.

When Moses tried to make atonement for Israel's apostasy, God's response tested the reality of Israel's repentance.

In the parable of the prodigal son, the Lord Jesus corrects and criticizes the scribes and Pharisees for not understanding God's grace and their own need for it.

The Lord Jesus necessarily ate with sinners, because the kingdom of God is a kingdom of mercy.