Micro-post #6: Quote from Lee Strasberg

"The actor must constantly respond to stimuli that are imaginary. Although he can do things in life quite easily, when he has to do the same thing on stage under fictitious conditions, he has difficulty because he is not equipped as a human being merely to playact at imitating life. He must somehow believe. He must somehow be able to convince himself of the rightness of what he is doing in order to do things fully on the stage."

Lee Strasberg