
No act done in service of the Lord
can ever be called a SIN.
Game of Thrones Season 4, Episode 7

It would be a SIN.
Vikings Season 1, Episode 3

"for now they see if not for a SINgle SIN
they concealed, they were saved."
Game of Thrones Season 6, Episode 1

No act done in service
of the Lord of Light can ever be a SIN.
Game of Thrones Season 3, Episode 5

Bearing false witness before the gods
is as grave a SIN as any, my lady.
Game of Thrones Season 5, Episode 6