During the period between his resurrection and his ascension, Jesus continued to teach his disciples in the power of the Holy Spirit (Acts 1:2). Instructions were given to them for the period immediately following the ascension: ‘Do not leave Jerusalem, but wait for the gift my Father promised, which you have heard me speak about … in a few days you will be baptised with the Holy Spirit … you will receive power when the Holy Spirit comes on you …’ (Acts 1:4–5, 8; cf. Lk.