Letter

1 XIII|           does not see God in the celestial regions, but converses with
2 XV  |       there is no such thing as a celestial matter which goes from west
3 XV  |        cause of the motion of all celestial bodies, and that of gravity
4 XV  |          of mechanics, that every celestial globe ought necessarily
5 XV  | inequalities in the course of the celestial globes. The variations of
6 XV  |        attraction acts on all the celestial globes, it acts undoubtedly
7 XV  |          I must have known that a celestial matter was the agent. But
8 XVI |       guess the laws by which the celestial bodies move and the manner