After His suffering, He presented Himself to them with many convincing proofs that He was alive. He appeared to them over a span of forty days and spoke about the kingdom of God.

Matthew 28:17
When they saw Him, they worshiped Him, but some doubted.

Mark 16:12
After this, Jesus appeared in a different form to two of them as they walked along in the country.

Mark 16:14
Later, as they were eating, Jesus appeared to the Eleven and rebuked them for their unbelief and hardness of heart, because they did not believe those who had seen Him after He had risen.

Mark 16:19
After the Lord Jesus had spoken to them, He was taken up into heaven and sat down at the right hand of God.

Luke 24:34
and saying, "The Lord has indeed risen and has appeared to Simon!"

Luke 24:36
While they were describing these events, Jesus Himself stood among them and said, "Peace be with you."

John 20:19
It was the first day of the week, and that very evening, while the disciples were together with the doors locked for fear of the Jews, Jesus came and stood among them. "Peace be with you!" He said to them.

John 20:26
Eight days later, His disciples were once again inside with the doors locked, and Thomas was with them. Jesus came and stood among them and said, "Peace be with you."

John 21:1
Later, by the Sea of Tiberias, Jesus again revealed Himself to the disciples. He made Himself known in this way:

John 21:14
This was now the third time that Jesus appeared to the disciples after He was raised from the dead.

Acts 8:12
But when they believed Philip as he preached the gospel of the kingdom of God and the name of Jesus Christ, they were baptized, both men and women.

Acts 13:31
and for many days He was seen by those who had accompanied Him from Galilee to Jerusalem. They are now His witnesses to our people.

Acts 19:8
Then Paul went into the synagogue and spoke boldly there for three months, arguing persuasively about the kingdom of God.

Acts 28:23
So they set a day to meet with Paul, and many people came to the place he was staying. He expounded to them from morning to evening, testifying about the kingdom of God and persuading them about Jesus from the Law of Moses and the Prophets.

Acts 28:31
Boldly and freely he proclaimed the kingdom of God and taught about the Lord Jesus Christ.

1 Corinthians 15:5
and that He appeared to Cephas and then to the Twelve.

1 Corinthians 15:7
Then He appeared to James, then to all the apostles.

To whom also he showed himself alive after his passion by many infallible proofs, being seen of them forty days, and speaking of the things pertaining to the kingdom of God: