Mademoiselle had an excellent opinion of herself--an opinion not wholly undeserved, for she possessed some good and sterling qualities; but she rather over-estimated the kind and degree of these qualities, and quite left out of the account sundry little defects which accompanied them. 
Mademoiselle had an excellent opinion of herself - an opinion not wholly undeserved, for she possessed some good qualities; but she over-estimated her own virtues, and quite left out her various little defects. 