I strongly desire to fulfill the obligation your goodness has laid upon me, though I can never discharge it.

For the sake of that obligation--for your sake, I am risking much--namely, your opinion of me." He made a gesture of impatience.
"I _know_ Miss Yolland to be a woman without principle.

I know it by the testimony of my own eyes, and from her own confession.

She is capable of playing a cold-hearted, cruel game for her own ends.

Be persuaded to consult Mr.Redmain before you commit yourself.