World Health Organization Mental Health definition

What is the definition of mental health for world health organization? I want to get the definition so please tell me from where I can get the information regarding to it?

[Pathak]

This is the definition provided by World Health Organization for Mental Health


“Mental Health refers to a broad array of activities directly or indirectly related to the mental well-being component included in the WHO's definition of health: "A state of complete physical, mental and social well-being, and not merely the absence of disease". It is related to the promotion of well-being, the prevention of mental disorders, and the treatment and rehabilitation of people affected by mental disorders”.