"There is no way you can get people to believe you on screen if they know who you really are through television"

This quote by Jack Nicholson talks to the power of acting and the importance of having the ability to different yourself from the character you are playing. Nicholson is recommending that if an audience recognizes with an actor's real-life personality, it can be hard for them to suspend their disbelief and accept the star in a various function. Nicholson is highlighting the value of being able to create a credible character on screen, and that this can be hard if the audience is already acquainted with the star's real-life persona. Nicholson is recommending that in order to achieve success as an actor, one need to have the ability to separate themselves from the character they are playing and develop a credible character on screen. This quote talks to the power of acting and the significance of being able to produce a believable character on screen, despite the audience's familiarity with the actor's real-life personality.