Belgium is a boiler that needs valves.
Source, in full
All the King's Men' A search for the colonial ideas of some advisers and "accomplices" of Leopold II (1853-1892). (Hannes Vanhauwaert), 6. Baron Auguste Lambermont (1819-1905), The uncrowned king of economic liberalism Leopold I once said to Lambermont. DE ROBIANO, A. Baron Lambermont: His life and his Work. Brussel, 1905, 59.