What they actually means If a barber makes a mistake, It's a If a driver makes a mistake, It is a New path If a engineer makes a mistake, It is a If parents makes a mistake, It is a If a politician makes a mistake, It is a If a scientist makes a mistake, It is a If a tailor makes a mistake, It is a If a teacher makes a mistake , It is a If our boss makes a mistake, It is a New idea If an employee makes a mistake, It is a 'Mistake' long piak! (a.k.a. banging against the wall)