Stratagem 11: Sacrifice a Plum Tree to Save a Peach Tree or Let the Plum Tree Wither in Place of the Peach Tree
Accept a small loss for a large gain. Lose a battle to win the war.
Churchill’s decision to sacrifice English cities in order to protect their knowledge of German code.
Know your priorities and don’t place disproportionate value (emotional, financial, or otherwise) on something that is objectively less valuable.