^2-3 from the beginning of His life until He was taken up into heaven. After His great suffering and vindication, He showed His apostles that He was alive—appearing to them repeatedly over a period of 40 days, giving them many convincing proofs of His resurrection. As before, He spoke constantly of the kingdom of God. During these appearances, He had instructed His chosen messengers through the Holy Spirit, ⁴ prohibiting them from leaving Jerusalem, but rather requiring them to wait there until they received what He called “the promise of the Father.”