Cockroach Theory- A beautiful speech by Sundar Pichai. The cockroach theory for self development At a restaurant, a cockroach suddenly flew from somewhere and sat on a lady. She started screaming out of fear With a panic stricken face and trembling voice, she started jumping, with both her hands desperately trying to get rid of the cockroach. Her reaction was contagious, as everyone in her group also got panicky. The lady finally managed to push the cockroach away but ...it landed on another lady in the group.