Before his audience he must be master of himself, holding the situation and his art by the firmest grip.

He must simulate, not experience emotion, the effect referable to the seeming, never to the actuality involving the realization.
Mr.Jefferson held to this doctrine and applied it rigorously.

On a certain occasion he was playing Caleb Plummer.

In the scene between the old toy-maker and his blind daughter, when the father discovers the dreadful result of his dissimulation--an awkward hitch; and, the climax quite thwarted, the curtain came down.

I was standing at the wings.
"Did you see that ?" he said as he brushed by me, going to his dressing-room.
"No," said I, following him.