If...

If a barber makes a mistake, it is a new style;

If a driver makes a mistake, it is an accident;

If a doctor makes a mistake, it is an operation;

If parents make a mistake, it is a new generation;

If a politician makes a mistake, it is a new law;

If a scientist makes a mistake, it is a new invention;

If a tailor makes a mistake, it is a new fashion;

If a teacher makes a mistake, it is a new theory;

If Your Boss makes a mistake, it is your mistake!