We would make use of your aid gladly, but it must be on our terms--not yours." "State them, Louis," I said.
"We will tell you the truth," Louis answered slowly.

"You shall understand the whole business.

You shall understand why Delora is forced to lie hidden here in London, what it is that he is aiming at.

When you know everything, you can be an ally if you will.

On the other hand, if you disapprove, you swear upon your honor as a gentleman--an English gentleman--that no word of the knowledge which you have gained shall pass your lips!" "Louis," I said, "I will have my lunch and think about this." Louis departed with his customary smile and bow.