Mechanics of Laplace e-bog

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. I. A Bony appears to us to be in motion when it changes its situation relative to a system of bodies which we suppose to be at rest: but as all bodies, even those which seem to be in a state of the most absolute rest, may be In motion; we conceive a space, bound less, immoveable, and penetrable to matter. It 18 to the parts oi this real or idea] space that we by imagination refer the situation of bodies and we conceive them to be 111. Motion when they answer successively to different: parts of space.