ʻAbdu'l-Bahá,
The Promulgation of Universal Peace
“ What is this material civilization of the day giving forth? Has it not produced the instruments of warfare and destruction? In olden times the weapon of war was the sword; today it is the smokeless gun. Warships a century ago were sailing vessels; now we have dreadnoughts. Instruments and means of human destruction have enormously multiplied in this era of material civilization. ”
