Why is it that we have to choose only one perspective? If we could see things through the eyes of many others, as well as through our own eyes, would be come closer to a true perspective of things?

I think that's because we are each of us only one person and eternally enchanted by subjectivism. In any case, Western Spirituality is founded on conflict and opposition. Whilst the Buddha attains enlightenment sitting peaceably beneath a tree, Jesus Christ does so through the tortured agonies of being nailed to one; in the East they speak of Yin & Yang, in the West we have the Nature Nurture debate; in the East Lau Tzu spoke of the Tao that cannot be told; in the West Karl Marx gives us Dialectical Materialism.

By way of illustration, here's some pics I made of the famous Foliate Passion the cloister of Norwich Cathedral which combines conventional imagery which more vernacular visages from the popular margins of theology, perhaps even referencing the Legend of the Rood in which Christ is quite literally crucified on the wood that grew from seeds planted in Adam's mouth upon his death.

Foliate Passion : Norwich Cathedral March 2013