Martha (Clone) and Martha in “The Poison Sky”

[having trouble speaking] My heart... is getting slower.

[apologetic] There's nothing I can do.

In your mind you've got so many plans. There's so much that you want to do.

And I will. "Never do tomorrow what you can do today," my mum says, "'Cos—

[finishing the quote] —"'Cos you never know how long you've got, Martha Jones... all that life..."