Societies create their own history and tend to wipe out lowly beginnings, either by forgetting them or inventing totally fictitious heroic rescues. - Isaac Asimov

en 1798, un anatomista italiano, Luigi Galvani, descubrió que bajo la influencia de una chispa eléctrica se podía conseguir que los músculos muertos se crispasen y contrajesen como si estuviesen vivos. ¿Era posible que la electricidad fuese el secreto de la vida?

sincere friendship through trade will be many times better than an insecure overlordship,

A horse having a wolf as a powerful and dangerous enemy lived in constant fear of his life. Being driven to desperation, it occurred to him to seek a strong ally. Whereupon he approached a man, and offered an alliance, pointing out that the wolf was likewise an enemy of the man. The man accepted the partnership at once and offered to kill the wolf immediately, if his new partner would only co-operate by placing his greater speed at the man’s disposal. The horse was willing, and allowed the man to place bridle and saddle upon him. The man mounted, hunted down the wolf, and killed him. “The horse, joyful and relieved, thanked the man, and said: ‘Now that our enemy is dead, remove your bridle and saddle and restore my freedom.’ “Whereupon the man laughed loudly and replied, ‘Never!’ and applied the spurs with a will.