Possible Clues:

• Do nothing, say, about a gun unloaded
• Eats up insect's inside merely to exist
• Be inert
• Do not move injured nag in the country
• Do nothing, say, to protect a good name
• Stand still! Deer never attack the elderly, for starters
• Buck a trend -- stupidly dumping R & D -- thus fail to progress
• Cease moving
• How one might get a degree with fifty such singles of shells