One word, of all the rest that coexist. One word, a million definitions have explained. Of all the wise and the foolish with a twist, Its essence, none have managed to contain. One word — the hardest puzzle of the brain. One word — no brilliant mind could yet resolve. They all have tried to measure it, in vain! The only word, a spark for beings to evolve. One word — the greatest motivator to exist! One word — you fight a hundred fights for it and die! All sacrifices have be