[421] "Only in the domain of Freedom can there exist the moral."—Martensen, "Christian Ethics," p. 1.
[422] "Fragments of Science," p. 39.
[423] "Questions such as these derive their present interest in great part from their audacity."—Tyndall.
[424] See "Fragments of Science," pp. 38 and 64-65.
[425] Contemporary Review, December, 1873, p. 30.
[426] Tyndall, "Fragments of Science," p. 160.
[427] Preface to the Address before the British Association of Science at Belfast.
[428] Preface to the seventh edition.
[429] Contemporary Review.
[430] Mansel, "Prolegomena Logica," p. 280.