Thursday, August 2, 2007

IMAGINATION AND SCIENCE



IMAGINATION AND SCIENCE.--Nor is imagination less necessary in other
lines of study. Without this power of building living, moving pictures
out of images, there is small use to study science beyond what is
immediately present to our senses; for some of the most fundamental laws
of science rest upon conceptions which can be grasped only as we have
the power of imagination. The student who cannot get a picture of the
molecules of matter, infinitely close to each other and yet never
touching, all in vibratory motion, yet each within its own orbit, each a
complete unit in itself, yet capable of still further division into
smaller particles,--the student who cannot see all this in a clear
visual image can never at best have more than a most hazy notion of the
theory of matter. And this means, finally, that the explanations of
light and heat and sound, and much besides, will be to him largely a
jumble of words which linger in his memory, perchance, but which never
vitally become a possession of his mind.


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CONSCIOUSNESS LIKENED TO A FIELD



CONSCIOUSNESS LIKENED TO A FIELD.--The consciousness of any moment has
been less happily likened to a field, in the center of which there is an
elevation higher than the surrounding level. This center is where
consciousness is piled up on the object which is for the moment foremost
in our thought. The other objects of our consciousness are on the margin
of the field for the time being, but any of them may the next moment
claim the center and drive the former object to the margin, or it may
drop entirely out of consciousness. This moment a noble resolve may
occupy the center of the field, while a troublesome tooth begets
sensations of discomfort which linger dimly on the outskirts of our
consciousness; but a shooting pain from the tooth or a random thought
crossing the mind, and lo! the tooth holds sway, and the resolve dimly
fades to the margin of our consciousness and is gone.


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