It is a source of wonder that the first few pages of the Gospel according to Saint Luke present three prayer/canticles that have framed and oriented the Church's day for almost two thousand years:

"Benedictus:" "The dawn from on high shall break upon us.""Magnificat:" "My spirit rejoices in God my Savior.""Nunc dimittis:" "My eyes have seen your salvation."

The last one, of course, associated with today's feast.Here is Fra Angelico's depiction in a cell in the Convento di San Marco (with thanks to JRP):