4 Bible Verses about Infallible Proofs

Now, following His death on the cross [and resurrection], Jesus appeared alive [to His apostles] for forty days, and demonstrated by many convincing proofs [that He had been raised bodily from the dead]. [During that time] He also spoke to them about the [coming] kingdom of God.

So, they went and secured the grave site, placing a [wax] seal on the stone, while the guards watched.

Look at my hands and my feet and realize that it is I, myself. Feel me and see, for a spirit does not have flesh and bones, as you see that I have." {{Some ancient authorities omit verse

After saying this, Jesus showed them His hands and His side, so they rejoiced when they saw the Lord [i.e., now convinced that He had indeed risen from the dead].