Some think the worst horrors of war might be avoided by an international agreement not to use atomic bombs. This is a vain hope.
John Boyd OrrIn recent times, European nations, with the use of gunpowder and other technical improvements in warfare, controlled practically the whole world. One, the British Empire, brought under one government a quarter of the earth and its inhabitants.
John Boyd OrrEmpires won by conquest have always fallen either by revolt within or by defeat by a rival.
John Boyd OrrWhen the fabric of society is so rigid that it cannot change quickly enough, adjustments are achieved by social unrest and revolutions.
John Boyd Orr