It takes two years on the ...

It takes two years on the stage for an actor or an actress to learn how to speak correctly and to manage his voice properly, and it takes about ten years to master the subtle art of being able to hold ones audience.
 D. W. Griffith

Quotes from the same author

The task I'm trying to achieve, above all, is to make you see.
 D. W. Griffith
Now supposing I had the part of a young woman to give out, one that wanted some excellent acting. If I were to go to the stage for my actress I would have to take a matured woman, one who would act splendidly, but who would look too old for the requirements.
 D. W. Griffith