The Chariot

"The Chariot", or "Because I Could Not Stop for Death", was a poem by Emily Dickinson. It went,
 * ''Because I could not stop for death
 * ''He kindly stopped for me
 * ''The carriage held but just ourselves
 * ''And immortality.

Once inside Torchwood Three, Max Tresilian chanted it to send the Hub into lockdown. (TV: They Keep Killing Suzie)