the world and for the youth Newton, that at twenty-three his
brain had cultivated the HABIT OF THOUGHT! ----

Our muscles we share with everything that lives--with the oyster
clinging to his rock, the whale ploughing through cold seas, and
our monkey kinsman swinging from his tropical branch.

These muscles, useful only to cart us around, help us to do
slave work or pound our fellows, we cultivate with care.

We run, fence, ride, walk hard, weary our poor lungs and gather
pains in our backs building the muscles that we do not need.

Alone among animals, we possess a potentiality of mind
development unlimited.

And for that, with few exceptions, we care nothing. ----

Most of us, sitting in Newton's place and seeing the apple fall,
would merely have debated the advisability of getting the apple
to eat it--just the process that any monkey mind would pass
through.

A Newton, a BRAIN TRAINED TO THINK, sees the apple drop, asks
himself why the moon does not drop also. And he discovers the
law of gravitation which governs the existence of every material
atom in the universe. ----

Young men who read this, start in NOW to use your brains.
Take nothing for granted, not even the fact that the moon stays