The nature of the chemical bond is the problem at the heart of all chemistry. (
Bryce
Crawford)
The underlying physical laws necessary for the mathematical theory of a large part of
physics and the whole of chemistry are thus completely known, and the difficulty is
only that the exact application of these laws leads to equations much too complicated
to be soluble. (
Paul Dirac)
The alchemical tradition assumes that every physical
art or science is a body of
knowledge which exists only because it is ensouled by invisible powers and processes.
Physical chemistry, as it is practiced in the modern world, is concerned principally
with pharmaceutical or industrial research projects. It is confined within the
boundaries of an all-pervading materialism, which binds labor to the advancement of
physical objectives. (
Manly Palmer Hall)
Chemistry has been termed by the physicist as the messy part of physics, but that is no
reason why the physicists should be permitted to make a mess of chemistry when they
invade it. (
Frederick Soddy)
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