Dmitri Mendeleev — "The capital fact to note is that petroleum was born in the depths of the earth, …"
The capital fact to note is that petroleum was born in the depths of the earth, and it is only there that we must seek its origin.
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More from Dmitri Mendeleev
"I saw in a dream a table where all the elements fell into place as required. Awakening, I immediately wrote it down on a piece of paper, only in one place did a correction later seem necessary."
"The most important thing for a scientist is to be honest with himself and with others."
"The periodic law is now so firmly established that no one can gainsay its fundamental truth."
"The elements which are the most widely diffused have small atomic weights."
"Science begins where measurement begins."
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