C1: You shall receive power
They reminded me that it was not God who spoke in tongues on the Day of Pentecost, but that the disciples themselves spoke in other tongues as the Spirit gave them utterance
C2: I will be with you a little longer
If a bush burned for Moses, the whole mountain burst into life for the Israelite nation. Thunder, lightning, a glory cloud, a trumpet and a voice they all heard.
This was their claim to fame - a people distinguished by the manifest presence of God!