Is there any crime or sin in Sikhi that would be seen as unforgivable?
I know in the janamsakhis Guru Nanak Sahib Ji is mentioned to have forgiven and reformed alot of infamous evil characters even mass murdering man eaters.
So I was thinking if the Guru Sahib can forgive and reform evil doers is there any crime us Sikhs would not forgive? and how would we justify harsh punishment for heinous crimes if our own Guru's forgave mass murderers?