Denis Diderot Quote

The animal is a system of different organic molecules, which, impelled by dim sensations similar to those of obtuse and vague touch - sensations which have been imparted to them by Him who created matter in general - have combined, until each has found the position most suitable to its form and to its repose.

In: Henry Fairfield Osburn, From the Greeks to Darwin: An Outline of the Development of the, Evolution Idea (p. 116)