26 JÉSUS PREFIGURED In a way bordering on abstraction, Master Bertram depicts the sky in a corner of the invisible, gilded universe in which God stands. The stars, the moon, and the sun are depicted poetically in a way that recalls the Canticle of Brother Sun by Francis of Assisi: Praised be You my Lord with all Your creatures, especially Sir Brother Sun, Who is the day through whom You give us light.... Praised be You, my Lord, through Sister Moon and the stars, In the heavens you have made them bright, precious and fair. n The Trinity Andrei Rublev (ca. 1360–1427/1430) Around 1410–1427 Tempera on wood, 56 x 45 in Moscow, Tretyakov Gallery In order to depict the Trinity, one God in three Persons, Andrei Rublev represents the three mysterious visitors welcomed by Abraham beneath the oaks of Mamre (cf. Gn 18:1-16).