Not them Brian, never them.
The dreams you dreamed have all
Last words spoken to the Doctor by his companions.
From what I’ve seen, your happy-go-lucky little life leaves devastation in its wake. Always moving on because you dare not look back. Playing with so many peoples lives - you might as well be a God.
“Swan Song” refers to an ancient but now refuted belief that the Mute Swan is entirely silent during it’s lifetime until the moments just before it dies, when it will sing one last beautiful song. Despite having been proven false long ago, the idiom has been used many times in film, literature, poetry and television, including in the title of Supernatural’s fifth season finale.
But if it has to end,
I’m glad you have been my friend,
In the time of our lives.