By Pam Nochlin Diane Keaton talked about her book, "Let's Just Say It Wasn't Pretty," at the 92nd St. Y On aging Old is Gold I hope I have the courage to go out making bold mistakes I intend to deepen my laugh lines I tell myself to “be grateful for what you have- you big jerk!” On fashion I’ve stolen fashion from all places and people such as Katherine Hepburn On characters she’s played I liked them all because they were flawed On acting I’m always grateful when I’m hired Wo