...these attractions [of gravity, magnetism, and electricity] may be performed, I do not here consider. What I call attraction may be performed by impulse...unknown to me. I use that word here to signify only in a general way any force by which bodies tend towards one another, whatever be the cause.' According...

...these attractions may be perform'd, I do not here consider. What I call attraction may be perform'd by impulse, or by some other means unknown to me. I use that word here to signify only in general any force by which bodies tend towards one another, whatsoever be the cause. For we must learn from...

...геярреаг a little while : — "... How these attractions maybe performed I do not here consider. What I call attraction may be performed by impulse, or by some other means unknown to me ..." Many other curious remarks could be made on the state of mind of tb« great physicist, geometer...