One who walks in another's tracks leaves no

Related:

• A person who walks in another's tracks leaves no
  footprints...
• A friend is one who walks in when the rest of the world
  walks out...
• One nail drives out another.
  German...
• The footprints run crisscross. If one is seriously intent,
  no blame...
• A true friend walks in when
  everyone else...
• Who depends on another man's table often dines late.
  Italian...
• What one fool can do, another can. --
  Ancient Simian...
• One generation plants trees, another gets the shade.
  Chinese...