And later he was seen by the eleven themselves while they were taking food; and he said sharp words to them because they had no faith and their hearts were hard, and because they had no belief in those who had seen him after he had come back from the dead. And he said to them, Go into all the world, and give the good news to everyone. He who has faith and is given baptism will get salvation; but he who has not faith will be judged. read more.
And these signs will be with those who have faith: in my name they will send out evil spirits; and they will make use of new languages; They will take up snakes, and if there is poison in their drink, it will do them no evil; they will put their hands on those who are ill, and they will get well.

Luke 24:36-49

And while they were saying these things, he himself was among them, and said to them, Peace be with you! But they were full of fear, being of the opinion that they were seeing a spirit. And he said to them, Why are you troubled, and why are your hearts full of doubt? read more.
See; my hands and my feet: it is I myself; put your hands on me and make certain; for a spirit has not flesh and bones as you see that I have. And when he had said this, he let them see his hands and his feet. And because, for joy and wonder, they were still in doubt, he said to them, Have you any food here? And they gave him a bit of cooked fish. And before their eyes he took a meal. And he said to them, These are the words which I said to you when I was still with you, how it was necessary for all the things which are in the writings of Moses and the prophets and in the Psalms about me, to be put into effect. Then he made the holy Writings clear to their minds. And he said to them, So it is in the Writings that the Christ would undergo death, and come back to life again on the third day; And that teaching about a change of heart and forgiveness of sins is to be given to Jerusalem first and to all nations in his name. You are witnesses of these things. And now I will send to you what my father has undertaken to give you, but do not go from the town, till the power from heaven comes to you.

John 20:19-23

At evening on that day, the first day of the week, when, for fear of the Jews, the doors were shut where the disciples were, Jesus came among them and said to them, May peace be with you! And when he had said this, he let them see his hands and his side. Then the disciples were glad when they saw the Lord. And Jesus said to them again, May peace be with you! As the Father sent me, even so I now send you. read more.
And when he had said this, breathing on them, he said to them, Let the Holy Spirit come on you: Any to whom you give forgiveness, will be made free from their sins; and any from whom you keep back forgiveness, will still be in their sins.