"It is inconceivable, that inanimate brute matter, should, without the mediation of something else, which is not material, operate upon and affect other matter without mutual contact. That Gravity should be innate, inherent and essential to matter so that one body may act upon another at a distance thro' a vacuum without the mediation of anything else, by and through which their action and force may be conveyed, from one to another, is to me so great an absurdity that I believe no Man who has in philosophical matters a competent faculty of thinking can ever fall into it. Gravity must be cause by an agent acting constantly according to certain laws; but whether this agent be material or immaterial, I have left to the consideration of my readers," (p. 57). Isaac Newton, on the cause of gravity vs. the effect of gravity.

"Mass grips space by telling it...