[101] _Force et Matière_, page 262.

[102] _Les Mondes Causeries astronomiques_ by Guillemin; see p. 122 (3rd
edition), where Kepler is described as an intelligence "penetrated by a
profound faith in nature and exalted by a noble pride." See also pages
327 and 336.

[103] The question discussed in these pages must not be confounded with
that of the relations between the science of nature and the documents of
revelation. Whether nature can be explained without God is one question.
Whether geology is in accordance with the language of the book of
Genesis is another question, as regards both its nature and its
importance. This latter subject does not come within the scope of these
lectures. I will merely call attention to the fact, that if nature and
the sacred text are fixed elements, this is not the case with the
interpretations of theologians, and the results of geology. It is
difficult to pronounce upon the exact relation of two quantities more or
less indeterminate.

[104] In the writings of M. de Rougemont, if I am not mistaken.

[105] _Systema naturæ._

[106] Ps. civ. 24.

[107] _Biographie universelle._

[108] _A. P. de Candolle_, by A. de la Rive, pp. 12 and 13.

[109] M. Vaucher's principal title to scientific distinction is his