
Welcome to my FORTRESS of solitude.
The Big Bang Theory Season 8, Episode 7

Casterly Rock
is an impregnable FORTRESS.
Game of Thrones Season 7, Episode 3

And the FORTRESS they built here
has never been overcome.
Game of Thrones Season 4, Episode 5

and abandon this FORTRESS
you can no longer hold.
Game of Thrones Season 4, Episode 8

And we need
every FORTRESS we have
Game of Thrones Season 7, Episode 1