Because Jesus Triumphs, the Christianity he embodies also Triumphs. This is seen in the Personalized Cause. Which features two personalities.
First, in Elizabeth’s conception of John the Baptist. His ministry had been forecast in Isaiah 40:3-5. Meaning: not even Elizabeth’s barren womb and Zechariah’s old age would be an obstacle to John’s birth.
John faithfully served as Christ’s forerunner