"They don't know anything about professional people.

Of course, there are plenty of worthless actors, but some of them are really very fine men and women.
Miriam may abuse my family all she chooses, but I do feel unhappy to think that those girls believe me dishonorable and under-handed." "They wouldn't if they had any sense," responded Grace hotly, "I never believed that those girls could be so snobbish.

I always thought them above such petty meanness.

Don't pay any attention to them, Anne.

They aren't worth it.