John Ayrton Paris,
Philosophy in Sport Made Science in Earnest
“ Roll the ball hither, Tom; roll the ball hither, I say! you stand as if you thought it would advance to us of its own accord.”“I know a little better than that, too,” cried Tom; “no body can move without the application of some force.”“Nor stop, either,” added Mr. Seymour, “when it is once in motion; for matter is equally indifferent to both rest and motion.”“And yet, papa,” cried Louisa, “unfortunately for your assertion, the ball stopped just now, and I am sure that no force was used to make it do so.” ”
