How do we know worship must be in spirit and truth?

Jesus' declaration that we must worship in spirit and truth reflects the intrinsic nature of God as spirit and the need for worship to be authentic and heartfelt. As outlined in John 4:24, the Father seeks worshipers who connect with Him beyond mere external expressions. True worship transcends physical locations and rituals; it requires genuine engagement of the heart, fueled by the Holy Spirit’s work within us. Without this spiritual essence and adherence to divine truth revealed in Scripture, worship becomes mere ritualistic activity, failing to please God.