"When I was at school, I believed in the saying, 'Knowledge can help you turn over a new leaf,'" says Guo. "But since I've started working, I only half-believe it."
If there are two people with equal ability, intelligence, physical and other important quality of the start, will come out ahead is that the enthusiasm of the people.
More recently, however, some companies have been investing money in a more ambitious undertaking: learning how to adjust the fundamental make-up of the food they sell.
The theory sounds eccentric but once he starts to explain the detective work that went into his deduction, the scepticism gives way to wary admiration.
Tokai University professor Tsukasa Murayama started training Nack after he became dissatisfied with hand-signals currently used to communicate with dolphins and whales.
Ever since the 1950's when television sets began to appear in the average home, the rate of crimes committed by teenagers in the country of Alta has steadily increased.