Related:

• Spare the rod and spoil the drag race.
• Spare a book and spoil your mood.
• They spare the rod, and spoyle the child. -- Ralph Venning (c.
  1621-1673) -- Mysteries and Revelations, p. 5, (1649.)...
• There is nothynge that more dyspleaseth God, Than from theyr children to spare the rod.
  -- John Skelton (c. 1460-1529) -- Magnyfycence, Line 1954...
• Friction is a drag.
• Too many authors spoil a book.
• Friction can be a drag sometimes.