God is spirit, and those who worship him must worship in spirit and truth."
A good description of worship is that of  Isaiah 6:1-8, an analysis of which shows that worship is: (1) an awareness of the presence of God, (2) a consciousness of sin and unworthiness on the part of the worshipper, (3) a sense of cleansing and forgiveness, and (4) a response of the soul with reference to doing God's will: "Here am I, send me!"