She was not a woman of many words: for, unlike people in general, she proportioned them to the number of her ideas(Ch. 34)

From the same chapter:
Lady Middleton was equally pleased with Mrs.[John] Dashwood. There was a kind of cold-hearted selfishness on both sides, which mutually attracted them; and they sympathised with each other in an insipid propriety of demeanour, and a general want of understanding.