Dmitri Mendeleev

The establishment of a law, moreover, does not take place when the first thought of it takes form, or even when its significance is recognised, but only when it has been confirmed by the results of the experiment.
The establishment of a law, moreover, does not take place when the first thought of it takes form, or even when its significance is recognised, but only when it has been confirmed by the results of the experiment.
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These are some quotes by Russian author Dmitri Mendeleev Scientist, who lived between February 8, 1834 and February 2, 1907.