Midnight
No one of these spies escaped the notice of Concepçion , whose training amid the mountains of Andalusia had sharpened his eyesight and added keenness to every sense . ` It is like a cat walking down an alley full of dogs , ' he muttered . At last the lights of Toledo hove in sight , and across the river came the sound of the city clocks tolling the hour . ` Midnight , ' said Concha . ` And all respectable folk are in their beds . At night all cats are grey . ' No one heeded him .