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I am going to speak to you tonight
about multitude or maniness and shall, I
hope, be able to give you a glimpse of its logical
importance. Some kinds of infinity will come
under our notice, but I fear I shall not have
time to speak of other kinds. I shall say a
few words only concerning continuity. All
of these subjects become intensely interesting
and of great importance if one can go into them
in some detail. But the difficulty with a
course of this kind is that it is not possible
to go deeply enough into the subjects to reach
the really valuable parts of them.

I must begin by a few words concerning
gramma graphs; because it is by means of