Gaston Milhaud, like many of his contemporaries, sought to overthrow empirical positivism by insisting on the fundamental reality of the mind, but mind conceived in the Kantian sense. The knowledge of nature is symbolic, and there is no necessary connection between the phenomena and our fictions.
All our anxieties relate to time.
Hearing is the motion of molecules; sound is a wave in the atmosphere; solidity is the characteristic of spatial juxtaposition of atoms; smell is something given off by a body, rather than something belonging to a body.