Saturday, September 26, 2020 Text is available under the CC BY-SA 3.0 licence.

Dmitri Mendeleev (1834 – 1907)

Russian chemist and inventor.
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Dmitri Mendeleev
I have no need of proof. The laws of nature, unlike the laws of grammar, admit of no exception.
Mendeleev quotes
I wish to establish some sort of system not guided by chance but by some sort of definite and exact principle.
I suppose when my unknown elements are found, more people will pay us attention.

Mendeleev Dmitri quotes
We should still expect to discover many unknown simple bodies; for example, those similar to aluminum and silicon, elements with atomic weights of 65 to 75.
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