This is the story of the famous scientist named ‘THOMAS ALVA EDISON’, you probably know him, as he is famous for his brightest invention ‘the bulb’. He kept trying and had failed 100 times after then he committed to the world that - he would invent the bulb at his earliest (and reveal his project). Then a person asked him that if he had announced it officially to the world that on what topic he is working on, aren’t you afraid that if somebody else could invent that bulb earlier than you, than the beautifully he replied that