Dmitri Mendeleev — "I believe in the power of observation and experiment above all else."
I believe in the power of observation and experiment above all else.
I believe in the power of observation and experiment above all else.
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"The periodic law is now so firmly established that no one can gainsay its fundamental truth."
"No law of nature, however general, has been established without a multitude of experiments and observations."
"There exists everywhere a medium in things, determined by equilibrium."
"The most all penetrating spirit before which will open the possibility of tilting not tables, but planets, is the spirit of free human inquiry. Believe only in that."
"There are no grounds to think that knowledge and our mastery over matter have bounds."
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