When things are compared using "like" or "as," we call this a simile.
<span>O heavy lightness! serious vanity!
</span><span>O brawling love! O loving hate!
</span><span>Feather of lead, bright smoke, cold fire,
sick health!
Still-waking sleep,
All of the above are oxymorons. An oxymoron is simply something that is a contradiction to itself. Feathers are light, but here they call them lead which implies they are heavy. And when does love hate? Etc...
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If I was a hollywood movie producer and I am remaking this video for a 21st century audience, I would want to have Morgan Freeman as my speaker and set the scene at a futuristic setting. A futuristic setting would include any science fiction concepts. Having Morgan Freeman would not only make the audience get interested with a video having a familiar voice in it, but it would give depth and meaning to the entire idea itself. It would align with the on going trends of the 21st century. It would also make it entertaining. While making this, I would make sure to still hold the video contents but with more added features to make the video enticing. Also add probably more animations or simulations to show what the video actually means.
Reading words in appropriate sets rather than one-by-one is called: Phrasing