caution which pervades it throughout, are rather the result of
training and artificially acquired self-restraint than symptoms of a
cold and unimpassioned nature; at any rate, whether the lawyer-like
faculty of swearing both sides of a question and attaching the full
value to both is acquired or natural in Darwin's case, you will admit
that such a habit of mind is essential for any really valuable and
scientific investigation.

C. I admit it. Science is all head--she has no heart at all.

F. You are right. But a man of science may be a man of other things
besides science, and though he may have, and ought to have no heart
during a scientific investigation, yet when he has once come to a
conclusion he may be hearty enough in support of it, and in his other
capacities may be of as warm a temperament as even you can desire.

C. I tell you I do not like the book.

F. May I catechise you a little upon it?

C. To your heart's content.

F. Firstly, then, I will ask you what is the one great impression
that you have derived from reading it; or, rather, what do you think
to be the main impression that Darwin wanted you to derive?

C. Why, I should say some such thing as the following--that men are
descended from monkeys, and monkeys from something else, and so on
back to dogs and horses and hedge-sparrows and pigeons and cinipedes
(what is a cinipede?) and cheesemites, and then through the plants