“O Jesus, my Love, may my heart be consumed in loving Thee; make me humble and holy; give me childlike simplicity; transform me into thy holy love. O Jesus, life of my life, joy of my soul, God of my heart, accept my heart as an altar, on which I will sacrifice to Thee the gold of ardent charity, the incense of continual, humble and fervent prayer, and the myrrh of constant sacrifices! Amen." - St. Paul of the Cross, Founder of the Passionists, whose Feast Day is celebrated on October 20th.
The plant is Selenicereus grandiflorus, a night-blooming cactus which is colloquially known as Queen of the Night, Moon Cereus, or Vanilla Cactus. Description from pinterest.com. I searched for this on bing.com/images