Perhaps to be able to learn things quickly isn't everything. To be kind is worth a great deal to other people...Lots of clever people have done harm and have been wicked.
Imagine, if you can, what the rest of the evening was like. How they crouched by the fire which blazed and leaped and made much of itself in the little grate. How they removed the covers of the dishes, and found rich, hot savory soup, which was a meal in itself, and sandwiches and toast and muffins enough for both of them.
She looked into the staring glass eyes and complacent face, and suddenly a sort of heartbroken rage seized her. She lifted her little savage hand and knocked Emily off the chair, bursting into a passion of sobbing- Sara who never cried.