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SCIENTIFIC FAITH ONCE MORE 
I 
CIENTIFIC faith is no more smooth sailing 
than is theological faith. One involves about 
as many mysteries, as many unthinkable truths, as 
the other. It is unthinkable that a particle of mat- 
ter can be so small that it cannot be made smaller, 
yet the atomic theory of matter involves this con- 
tradiction. The luminiferous ether, the most dense 
and at the same time the most attenuated body in 
the universe, which science has invented to account 
for the action of bodies upon other bodies at a dis- 
tance, is unthinkable; but with all the contradic- 
tions which it involves, we are compelled to assume 
its reality in order to account for things as we know 
them. 
How many things may be affirmed of the visible, 
ponderable bodies on the earth’s surface which are 
just the opposite of what is true of the invisible, im- 
ponderable bodies of the interior world of matter, 
and which also do not hold among the bodies of 
celestial space! Thus all inanimate bodies on the 
earth’s surface are at rest until some force exterior 
to themselves acts upon them. In the world of 
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