Man's mind is his basic tool of survival. Life is given to him, survival is
not. His body is given to him, its sustenance is not. His mind is given to
him, its content is not. To remain alive, he must act, and before he can
act he must know the nature and purpose of his action. He cannot obtain his
food without a knowledge of food and of the way to obtain it. He cannot dig
a ditch -- or build a cyclotron -- without a knowledge of his aim and the
means to achieve it. To remain alive, he must think.
-- John Galt
Let the caveman who does not choose to accept the axiom of identity
try to present his theory without using the concept of identity or
any concept derived from it -- let the anthropoid who does not choose
to accept the existence of nouns, try to devise a language without
nouns, adjectives, or verbs -- let the witch doctor who does not
choose to accept the validity of sensory perception, try to prove
it without using the data he obtained by sensory perception -- let
the head-hunter who does not choose to accept the validity of logic,
try to prove it without logic -- let the pygmy who proclaims that a
skyscraper needs no foundation after it reaches its fiftieth story,
yank the base from under his building, not yours -- let the cannibal
who snarls that the freedom of man's mind was needed to create an
industrial civilization, but is not needed to maintain it, be given
an arrowhead and a bearskin, not a university chair of economics....
MONAD, n. The ultimate, indivisible unit of matter. (See
_Molecule_.) According to Leibnitz, as nearly as he seems willing to
be understood, the monad has body without bulk, and mind without
manifestation -- Leibnitz knows him by the innate power of
considering....