Sometimes the rewards for this are no more than the joy of playing in the ocean, a simple pleasure in the act itself. But there are other times, most often in the last hour or so of dusk, when the beach is quiet and the sky has begun to fade, when it is far more. Then, as the ocean moves beneath you and the long feed of the clouds passes overhead it possible to sense the presence of a meaning which lingers just out of reach. It is to do with time, and its depth, with the rhythm of the sky and the waves, the cry of the birds as they pass overhead. Apprehended not consciously but somewhere deeper, this meaning beats like the pulse of a heart, something always there but of which we are only occasionally aware; deep and ceaseless, it fills the fabric of the world until it trembles with its weight.