Being

a child of the Father, one of the Father’s sons. The essence of the LORD’s prayer is sonship : being a son, being a dear child of the Father, in His own dear Son, Jesus Christ, as joint heirs with Him.

Just BEING, not achieving. To pray the LORD’s prayer by the Spirit of Truth is an expression of one BEING a child of the Father, the same Spirit by which we cry out, Abba! Father!