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Scientist Quotes
The elements, if arranged according to their atomic weights, exhibit an apparent periodicity of properties.
~ Dmitri Mendeleev
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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.
~ Dmitri Mendeleev
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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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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.
~ Dmitri Mendeleev
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There exists everywhere a medium in things, determined by equilibrium.
~ Dmitri Mendeleev
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There is nothing in this world that I fear to say.
~ Dmitri Mendeleev
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We could live at the present day without a Plato, but a double number of Newtons is required to discover the secrets of nature, and to bring life into harmony with the laws of nature.
~ Dmitri Mendeleev
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We must expect the discovery of many as yet unknown elements-for example, elements analogous to aluminum and silicon- whose atomic weight would be between 65 and 75.
~ Dmitri Mendeleev
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Work, look for peace and calm in work: you will find it nowhere else.
~ Dmitri Mendeleev
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An investigator starts research in a new field with faith, a foggy idea, and a few wild experiments. Eventually the interplay of negative and positive results guides the work. By the time the research is completed, he or she knows how it should have been started and conducted.
~ Donald Cram
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By the time I entered college, I had decided not to have children, a decision that was never regretted. Accordingly, I was careful to court only girls who wanted to have professional careers.
~ Donald Cram
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Few scientists acquainted with the chemistry of biological systems at the molecular level can avoid being inspired.
~ Donald Cram
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This is largely the methodology I've used throughout my career - that is, starting with a question as to what might be the properties of a set of compounds that could be invented which were unusual and unpredictable. Many times I've felt a bit like Columbus setting sail.
~ Donald Cram
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To retain my fascination with chemistry, I have had to change my research fields about every 10 years.
~ Donald Cram
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We usually don't have applications in mind. They come later.
~ Donald Cram
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And what I wanted to do was, I wanted to explore problems and areas where we didn't have answers. In fact, where we didn't even know the right questions to ask.
~ Donald Johanson
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As an undergraduate, I had an opportunity to go on a number of archeological digs. So I had experience excavating, digging up remains of ancient Indian villages in the Midwest and in the Southwest.
~ Donald Johanson
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But it really wasn't until three to four years later, when we had an opportunity in the lab to make very detailed observations, and comparisons with other fossil discoveries, that we realized she was a new species of human ancestor.
~ Donald Johanson
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But what really excited me was the idea that humans had a tremendous pre-history that went back millions of years. I wanted to go to Africa to find some of these creatures.
~ Donald Johanson
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I realized immediately that this was a terribly important discovery, but I didn't realize how important it would be until we had spent a lot of time in the laboratory studying it.
~ Donald Johanson
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