There are more able and gifted Teachers within the Church of Jesus Christ than myself of course.
However I'll try to put into a few sentences, just what the 'Heart of Worship' means to me.
Paradoxically, we were Loved by The Father 'long before' our simple understanding of Time! The names and identities of His children are engraved upon the palms of His hands. He can NEVER forget us nor turn his face from us, as we wholly acknowledge Him, and Worship Him accordingly, in response to His Love shed within our hearts. The Worship of our God ( who loved us before we ever loved Him ) is to be Constant; Consistent and EXTRAVAGANT. A babe learns to return and respond to the love of the parent in delightful smiles, gurgles, baby language and intensive, concentrated stares. As Born-again Believers, we are being encouraged and drawn by the Holy Spirit to fix our eyes and hearts and voices on the Lord Jesus, in preparation for the most spiritual activity in time and Eternity : WORSHIP