To wish that a person might find peace in the afterlife.
dig up dirt
To examine in order to find negative information for public opinion, u…
rest his soul
Used parenthetically to mark the referent as being deceased
rest assured
Be sure; not need to worry; trust.
rest on one's laurels
To rely on a past success instead of trying to improve oneself further…
rest easy
To cease worrying about something; to not be concerned or troubled by …