She studied the character of this young heiress, and played so adroitly upon her weakness that Marion Arleigh, in her sweet girlish simplicity, had no chance against her.
When Allan Lyster came, to all outward appearances no one could have been more reserved; he rarely addressed his pupils, never except on matters connected with the lesson.

He never looked at them.

Miss Carleton flattered herself that she had found a treasure.

Allan was not only the cheapest master she had ever had, but he was also a model of discretion.

Yet none the less had he adopted his sister's ideas and made up his mind to woo and win Marion Arleigh.
"It is well worth your while to try," said his sister.