We must dare to know, and to speak what we know.
Father of modern chemistry
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"We may lay it down as an incontestible axiom, that, in all the operations of art and nature, nothing is created; an equal quantity of matter exists both before and after the experiment; the quality an…"
Controversial"The greatest discoveries are not made by chance, but by observation and reflection."
Humorous"Nothing is lost, nothing is created, everything is transformed."
Humorous"It is not the number of experiments, but their accuracy, that matters."
Humorous"It is only by means of experiments that we can arrive at the truth."
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