Name and explain the principle of management according to which a manager should replace 'I' with 'We' in all his conversations with workers. 

In this case, Fayol’s principle of ‘Espirit de Corps’ can be applied. According to Fayol’s principle of ‘Espirit De Corps’, A manager should replace ‘I’ with ‘We’ in all his conversations with workers to foster team spirit. This will give rise to a spirit of mutual trust and belongingness among team members. It will also minimise the need for using penalties.