Lesson 1 God is a Trinity of Persons Catechism Connections Lesson Topics Trinity Essential Lessons N/A Lesson Vocabulary Mystery: A mystery is a truth about God we can come to know only with God’s help. Person: A person is a unique individual who can know and love. Trinity: Three persons in one God: Father, Son, and Holy Spirit Teach Hands and Feet Video The Baptism of Christ (c. 1568)jpg Extend Catch the Spirit Parent Newsletterpdf