the world before him were ignorant what duty was or had been in
thorough-going error? But whoever knows of what importance to a
mathematician a formula is, which defines accurately what is to be
done to work a problem, will not think that a formula is insignificant
and useless which does the same for all duty in general.



In the second part of the Analytic I have given, as I trust, a
sufficient answer to the objection of a truth-loving and acute
critic * of the Fundamental Principles of the Metaphysic of Morals- a
critic always worthy of respect- the objection, namely, that the
notion of good was not established before the moral principle, as he
thinks it ought to have been. *(2) I have also had regard to many of
the objections which have reached me from men who show that they have
at heart the discovery of the truth, and I shall continue to do so
(for those who have only their old system before their eyes, and who
have already settled what is to be approved or disapproved, do not
desire any explanation which might stand in the way of their own
private opinion.)



{PREFACE ^paragraph 20}

* [See Kant's "Das mag in der Theoric ricktig seyn," etc. Werke,
vol. vii, p. 182.]

*(2) It might also have been objected to me that I have not first
defined the notion of the faculty of desire, or of the feeling of