So resolving, she wrote as follows to Mrs. Hurtle, finding great difficulty in the composition of a letter which should tell neither too little nor too much, and determined that she would be restrained by no mock modesty, by no girlish fear of declaring the truth about herself. The letter at last was stiff and hard, but it sufficed for its purpose.

So she wrote as follows to Mrs. Hurtle, finding great difficulty in composing a suitable letter. It was stiff, but it sufficed for its purpose.
