1.   Conversations with people around the city revealed few who had changed their commuting patterns, in part because many feel they have no choice but to use the subways.

2.   Even on the hottest days, trolleys are rarely empty, but Friday afternoon most people chose to use the subway despite the rare, sweltering heat.

3.   Fiorello H. La Guardia used the subway, along with babies and baseball, as a handy political prop but not as a regular means of conveyance.

4.   Filmmakers become exasperated when they cannot use the subway, she said, because it is both visually dramatic and characteristic of the city.

5.   Perez, like many New Yorkers who use the subways, was innocently dictating her subway incidents to a friend who just happens to work for HBO.

6.   She said she has used the subways all her life, without being threatened.

7.   She uses the subways all the time.

8.   Sherie Helstein, a secretary in Manhattan, said she uses the subway for her weekday commuting but takes the tram on weekends.

9.   Still, he emphasized the importance of being frugal and left the Financial District using the subway instead of a taxi.

10.   Many Parisians, including some who watched from behind police lines as ambulances evacuated the victims, said they would continue using the subway.