"I am not at all sure, though, Mr.
Ducaine, that any blame can attach itself to you." "Your Grace," I answered, "there were three men only who knew the secret of that combination.

One is yourself, another Colonel Ray, the third myself.

I set the lock last night.

I opened it this morning.

I ask you, in the name of common sense, upon whom the blame is likely to fall?
If I remain this will happen again.