This story is about love
The story being told is centered around the idea of love

The woman I loved is dead
The person telling the story has lost the woman they loved

There was a boy
The story begins by introducing a male character

A very strange enchanted boy
The boy is described as being odd and magical

They say he wandered very far
Rumors exist that the boy traveled a great distance

Very far over land and sea
The boy's alleged travels took him over both land and water

A little shy and sad of eye
Despite his extraordinary nature, the boy was somewhat introverted and melancholy

But very wise, was he
Despite his young age and demeanor, the boy was wise

And then one day
At some point in the past, something happened to the boy

One magic day, he passed my way
The narrator had a chance encounter with the boy, which was seemingly magical

While we spoke of many things
During their conversation, the narrator and the boy covered a variety of topics

Fools and kings
The specific content of their conversation included discussions of people of various social statuses

This he said to me
At some point in the conversation, the boy expressed a particular idea to the narrator

The greatest thing
The idea the boy conveyed to the narrator is seen as being of great importance

You'll ever learn
The idea the boy conveyed has to do with learning something important

Is just to love
The important thing the boy conveyed has to do with the concept of loving others

And be loved
In addition to loving others, the boy stressed the importance of being loved as well

In return
The final part of the boy's message had to do with how love should be reciprocated