...always grilled me to make sure I hadn't lost my integrity;

"Stella always grilled me to make sure I hadn’t lost my integrity; she considered this a major problem for the American artist. I wonder what she would have said about the almost total materialism of our current era?"

From:

American Theater

‘Stella Adler on America’s Master Playwrights’

By PETER BOGDANOVICH

Published: November 30, 2012

http://www.nytimes.com/2012/12/02/books/review/stella-adler-on-americas-master-playwrights.html?pagewanted=1&ref=stellaadler