This scene shows the start of Holy Week, it is Palm Sunday, when Jesus was acclaimed as King by the people of Jerusalem.
Even the donkey is excited: look at his ears, look at his eyes! He is taking it all in. This is his hour:
One far fierce hour and sweet:
There was a shout about my ears,
And palms before my feet.
G.K.Chesterton, The Donkey.
This was not just a moment of irrelevance in the Holy Week story, but a moment of truth.
Enjoy the hour, enjoy the moment, and like Mary, treasure all these things in your heart.
Although we know what the next chapter of this story brings, treasure this hour and ponder on it.
Although you do not know what the next chapter of your own story may bring, treasure this hour in your heart and ponder on it.