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There is a legend about a bird which sings just once in its life , more sweetly than any other creature on the face of the earth .From the moment it leaves the nest it searches for a thorn teee,and does not rest until it has tound one.Then , singing amon g the savsge brianches ,it impsles it self upon the oongest ,sharpest spine .And ,dyingm it rises above it own agony to out carol the lark and the nighitingale. One superlative song ,esistence the price ,But the whoe world stills to listen ,and Godin His heven smiles.For the best is only bought at the cost of great pain ……Or so says the lgend