According to B.C. Rai: "Motivation is a psychological and physical condition that causes one to expand effort to satisfy needs and wants."
According to Crooks & Stein: Motivation can be defined as "any condition that might energize and direct our actions."
According to Murray: "Motivation is an internal factor that arouses, directs and integrates a Person's behaviour."
According to Singer: "Motivation is the urge to push forward a specific goal."
