But if I entered into detailed proofs of these conclusions, and of all those we might draw from the supposition I made in order to explain the transmission of light and colors and the generation of fire, iz., that ethereal matter is composed only of small vortexes, infinitely compressed, that counterbalance each other by their centrifugal forces, if, I say, I detailed these consequences, it would soon lead me into a country where I fear to make too long a voyage and where I would be sure to go astray.