Think mountains, rock, crystal, granite and diamonds. When a muscle is tensed it is harder than bone, harder than wood.  The first artillery missiles were

Think of Water in its many various contexts: the bubbling brook, the steady flowing river, the lake, the waterfall and the ocean.  Water never strives

Picture the leaping bush fire, the roaring furnace.  Now think of the full flowering of crops in Summer, the optimism of the expected harvest; the

The traditional place of Metal involves cutting and adornment.  Both weapons and agricultural implements are generally used to cut; often they were the same tools,

Think of the wind bending a bamboo. Start with being fully rigid, then relax just enough to allow for bending, but always with enough tension