When truth is nothing but the truth, it's unnatural, it's an abstraction that resembles nothing in the real world. In nature there are always so many other irrelevant things mixed up with the essential truth.
Acting is, to me now, artificial. Seeing people suffer is real. It couldn't be more real. Some people don't like to look at it in the face because it's painful. But if nobody does, then nothing gets done.
Actors like [Clint Eastwood] have a kind of dynamic lethargy: they appear to do nothing, and they do everything. They reduce everything to an absolute minimum. For instance, he had perhaps a four-line speech, and he reduced it to four words.
[Audrey Hepburn] Alert, full of the ardor of an explorer, with nothing of the lassitude or languor of such voluptuous and earthbound sexy goddesses as Elizabeth Taylor and Ingrid Bergman, or the over-eager Marilyn Monroe.