The shift from performance to presence. Describing the moment an actor stops trying to “get it right” and instead allows genuine curiosity, empathy and personal truth to blur the line between themselves and the character — not imitating a life, but briefly living inside it.

The more an actor develops a full sense of his own identity, the more his scope and capacity for identification with other characters than his own will be made possible. - Uta Hagen from her book “Respect for Acting”