Sin

From Tardis Wiki, the free Doctor Who reference
Sin

Rassilon predicted that the Tremas Master's sins would "find their punishment in due time". (TV: The Five Doctors)

Suicide was regarded as a mortal sin in Catholicism, leading one to hell. (TV: Extremis)

Brother Signet confessed his sins, including murder, to a priest in an isolated Catholic church. (AUDIO: The Confession of Brother Signet)