You need some insecurity if you're an actor. It keeps the pot boiling. I haven't yet started to think about retiring. I was shocked when I heard about Paul Newman retiring at age 82. Most actors just fade away like old soldiers.

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But we can hold our spirits and our bodies so pure and high we may cherish such thoughts and such ideals and dream such dreams of lofty purpose that we can determine and know what manner of men we will be whenever and wherever the hour strikes and calls to noble action.