The Prisoner of Chillon: A Fable Isolation Quotes

The speaker used to have a large family, but now he's the only one left. Notice how the "one" that's left is even isolated in the poetic line: he's separated from the "seven" by the dash in the middle of the line.

Now the speaker's large family has dwindled to three – yet they're isolated from each other because they're each chained to a separate pillar. Like in the previous example, they're isolated also by the dash in the middle of the line.

Even though the three brothers share a dungeon cell, they can't even see each other's faces.

Paradoxically, the three brothers share a space, and yet are completely isolated from each other by the chains. Again, notice the use of the dash in the line to emphasize their isolation. Byron sure knew how to use punctuation effectively!

After the death of his youngest brother, the speaker is completely alone – he's isolated from the rest of humankind.

The speaker compares himself to a "solitary cloud" in the sky on a sunny day. So not only is he completely alone, but he's out of place – he's a cloud that doesn't belong in the sky, since it's otherwise a sunny day.