Nothing is created, either in the operations of art, or in those of nature; and it may be considered as a general principle that in every operation there exists an equal quantity of matter before and after the operation.
Father of modern chemistry
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"It is impossible for me to write anything without feeling myself inspired by a sort of scientific enthusiasm."
Humorous"It is not given to every man to be a Newton, but every man can be useful to society."
Humorous"I have no other ambition than to serve humanity."
Humorous"The art of drawing conclusions from experiments and observations consists in evaluating probabilities and in judging if they are great enough to constitute proofs."
Humorous"The imagination is a dangerous guide in science, but it can be a useful servant."
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