There is never much light in the corridor, is there?
There is one oil lamp half way down, I know, for I always smell it when I pass in the evening." "Yes, it is almost dark there--it is a little lamp.

Do you really think this is possible ?" "It is possible, not sure.

If you hear footsteps in the corridor beyond the corner, you will have time to slip into one of the embrasures.

But our father will not come now.

He knows that Don John is in his own apartments with many people.