John 7: 37-39 etc. is read on the Feast of Pentecost because Pentecost is "...the last day, the climax of the festival... ". 50 days of celebrating the Risen Christ Who ascended into Heaven. That's why in the Byzantine Tradition we don't kneel during Paschaltide.
At Vespers on Pentecost, there are 3 special "kneeling prayers" . After that, we can resume kneeling in prayer.
John 7: 37-39 etc. is read on the Feast of Pentecost because Pentecost is "...the last day, the climax of the festival... ". 50 days of celebrating the Risen Christ Who ascended into Heaven. That's why in the Byzantine Tradition we don't kneel during Paschaltide.
At Vespers on Pentecost, there are 3 special "kneeling prayers" . After that, we can resume kneeling in prayer.
Why do some animals in iconography have two front knees?
I think I don't understand the question.
The deer in the Fountain icon have extra joints in their front legs. The horse in the Black Saint George has the same.
No idea.