On the other hand, he felt perfectly confident that the city could be successfully defended, and that at a cost of life far less than would be attained by a victory in the open field, while the blow that would be inflicted upon the prestige and power of the enemy, by being ignominiously compelled to retire to their ships, after the failure of all their attacks, would be as great as if their army had been defeated in the field. Therefore the grand master, with the full assent of his leaders, turned a deaf ear to the entreaties of the younger knights, that they might be allowed to make a sortie. He calmly waited behind the formidable defences he had for the past ten years been occupied in perfecting, in anticipation of the assault of the Moslem host.