Silence is something one craves in this noisy, crowded world. Sounds start filing in even before the crack of dawn. The sound of Azaan, the chirping of birds, followed by the cocks of roosters. As the sun rises, these voices also rise, but unfortunately in today's modern world, they don't terminate as the sun goes down, instead, they build up even more after the dark as people step out for night-outs, long drives, window shopping, and much other time wasting activities. Ever enter a food street in Karachi at two in the morning, the crowd is at its peak, and so is the racket. There's a cacophony of noise and hustle and bustle, people shouting, laughing, waiters shouting at their associates for some reason or other, vehicles rumbling by, honking. But is this sound necessary? definitely not. We also need some silence in life to calm down, think clearly, reflect, and many other spiritual activities to pursue. But how can silence be achieved, when we have a share in producing a...