Sometimes, we spend the whole life to find the mathematical solution that can assure us the best life, the best job, the best day to do the thing X and to realize the project Y...Isabel wanted just die in the lake of her blood, praying it would have been fast. The life had punished her, without no apparent reasons, and she had no more the inner strenght to fight, she looked up the sky , astonished to be still able to recongnize the different colour of clouds, while the time seemed ethernal. She had never had the hope to die so old, 85 years passed, flied as the water falling down a cascade. She smiled up without clue if someone whose around her bed... suddenly someone arrived: Mrs Volta! Mrs Volta ! The steps were fast, one person two persons 3 persons. Anyone around her, touching her body, moving machines, covering her mouth from blood, Fast! Fast! Isabel Volta was in a hospital, it was not yet her time to go.