Acting is the use of human ...

Acting is the use of human experience with talent added.
 Ruth Gordon

Quotes from the same author

In the old days, ptomaine poisoning was a cover-all. If you missed a show and you were young, it meant you were having an abortion. If you were old, it meant you were having a face lift.
 Ruth Gordon
Courage is like a muscle. We strengthen it with use.
 Ruth Gordon