“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.”
Other Dmitri Mendeleev Quotes
The magnitude of the atomic weight determines the character of the element, just as the magnitude of the molecule determines the character of a compound body.
Dmitri Mendeleev 
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No law of nature, however general, has been established all at once; its recognition has always been preceded by many presentiments.
Dmitri Mendeleev
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There exists everywhere a medium in things, determined by equilibrium.
Dmitri Mendeleev
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Pleasures flit by - they are only for yourself; work leaves a mark of long-lasting joy, work is for others.
Dmitri Mendeleev
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