If you're not part of the solution, you're part of the precipitate.

Related:

• If you're not part of the solution,
  you're part of the precipitate...
• If you're not part of the solution,
  then you're part of the precipitate...
• If you're not part of the solution, you're part of the precipitate.
  Stephen...
• Oregano is the spice of life. --
  Henry J....
• The world is my lobster. --
  Henry J....
• Are you offering a solution,
  or are you just another part of the problem...
• Be part of the solution not part of the
  pollution...