There is no such thing as an insignificant enemy.

Related:

• There is no such thing as an insignificant
  enemy...
• It is overdoing the thing to die of love. --
  French...
• We know the worth of a thing when we have lost it.
  French...
• To compare is not to prove.
  French...
• The enemy of my enemy is my friend
  Arab...
• Gratitude is the heart's memory.
  French...
• There is no flying without wings.
  French...
• Reconciled friend is a double
  enemy. --...
• In love and war, don't seek counsel. --
  French...