Prick your conscience - Idioms by The Free Dictionary
prick your conscience
prick (one's) conscience
To cause one niggling feelings of guilt or remorse. It pricked my conscience to see my brother being led away in handcuffs, but I know it was the right thing to call the cops on him. Their promotional material is carefully crafted to prick the conscience of anyone who picks it up.
prick your ˈconscience,
your ˈconscience pricks you make you feel guilty about something; feel guilty about something: Her conscience pricked her as she lied to her sister.
References in periodicals archive
IF you need a reason to sign up to the Echo Give Blood Give Life appeal then these words from Dr Meriel Jenney, a consultant paediatric oncologist at Llandough Hospital, should prick your conscience
95) A book to prick your conscience
if your garden has "off" times of the year.