Very few in the history of the church have not struggled with the dogma of the Trinity. Those who have not dismissed it as incomprehensible gibberish have found it a battlefield for division and misunderstanding. Even Christians, who adhere to the faith of the Creeds, have often found such dogma difficult to grasp. Richard of Saint Victor, a twelfth-century Scottish monk and Prior in the Abbey of Saint Victor, is emblematic in this struggle: «I have often read that there is . . . [only] one God...