Then said the Professor as we moved off, "Two nights hence you shall meet with me and dine together at seven of the clock with friend John.

I shall entreat two others, two that you know not as yet, and I shall be ready to all our work show and our plans unfold.

Friend John, you come with me home, for I have much to consult you about, and you can help me.
Tonight I leave for Amsterdam, but shall return tomorrow night.

And then begins our great quest.

But first I shall have much to say, so that you may know what to do and to dread.