What is a key verse highlighting the power of the Holy Spirit in Acts?

The verse Acts 1:8 is pivotal in highlighting the power of the Holy Spirit within the context of the early Church. This verse underscores Jesus' promise to His disciples that they would receive the Holy Spirit, empowering them to be His witnesses to the ends of the earth. It illustrates the transformative role of the Holy Spirit, equipping believers not only for personal spiritual growth but also for evangelism and ministry to others. The phrase "you will receive power" indicates that the Holy Spirit would enable them to carry out their mission effectively, emphasizing that Christian witness is not reliant on human strength or ability, but on divine empowerment through the Holy Spirit.