I also think it's about death in a way:
"When the cataract falls from the darkening air, and the bones of the earth have all been laid bare, then heaven is right there."
"We will stand in the waves while the colors all run, and our minds fill with light until we start to go numb.
And then we'll let it come."
Couldn't it be that he is thinking of his one and only love, which he lost somewhere along the road, at old age, when he's about to die soon?
I also think it's about death in a way:
"When the cataract falls from the darkening air, and the bones of the earth have all been laid bare, then heaven is right there."
"We will stand in the waves while the colors all run, and our minds fill with light until we start to go numb.
And then we'll let it come."
Couldn't it be that he is thinking of his one and only love, which he lost somewhere along the road, at old age, when he's about to die soon?