"Because," replied her father, "as I said before, we can only overcome the attraction to a certain extent. As soon as the force our muscles give to the jump is spent, the attraction of the earth pulls us back."
"Did Sir Isaac Newton think of all these things, because he saw the apple fall?" inquired Lucy.
"Yes; of all these and many more. He was a man of great knowledge. The name by which the force he discovered is generally known, is the Attraction of Gravitation, and some time you will learn how this force keeps the earth, and the sun, moon, and stars, all in their places."
LESSON XXXVI.
en'vy, wish one's self in another's place.
doffed, took off, as an article of dress.
blithe, very happy; gay.
fee, what is received as pay for service done.
boast, object of pride.
quoth, spoke.
hale, in good health; strong.
THE MILLER OF THE DEE.
There dwelt a miller, hale and bold,
Beside the river Dee;
He worked and sang from morn till night—