Acts 1:5-8

For John baptised with water, but in a few days you will be baptised with the Holy Spirit.’ Then they gathered round him and asked him, ‘Lord, are you at this time going to restore the kingdom to Israel?’ He said to them: ‘It is not for you to know the times or dates the Father has set by his own authority. But you will receive power when the Holy Spirit comes on you; and you will be my witnesses in Jerusalem, and in all Judea and Samaria, and to the ends of the earth.’