Dmitri Mendeleev Quotes

I have achieved an inner freedom.

Pleasures flit by - they are only for yourself; work leaves a mark of long-lasting joy, work is for others.

No law of nature, however general, has been established all at once; its recognition has always been preceded by many presentiments.

The edifice of science not only requires material, but also a plan. Without the material, the plan alone is but a castle in the air-a mere possibility; whilst the material without a plan is but useless matter.

If all the elements are arranged in the order of their atomic weights, a periodic repetition of properties is obtained. This is expressed by the law of periodicity.

Work, look for peace and calm in work: you will find it nowhere else.

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 elements, if arranged according to their atomic weights, exhibit an apparent periodicity of properties.

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.

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.

Why do they [Americans] quarrel, why do they hate Negroes, Indians, even Germans, why do they not have science and poetry commensurate with themselves, why are there so many frauds and so much nonsense? I cannot soon give a solution to these questions ... It was clear that in the United States there was a development not of the best, but of the middle and worst sides of European civilization; the notorious general voting, the tendency to politics ... all the same as in Europe. A new dawn is not to be seen on this side of the ocean.

No one nor anything can silence me.

I want you to have this feeling too - it is my moral responsibility to help you achieve this inner freedom.

Knowing how contented, free, and joyful is life in the world of science, one fervently wishes that many would enter its portals.

When the elements are arranged in vertical columns according to increasing atomic weight, so that the horizontal lines contain analogous elements again according to increasing atomic weight, an arrangement results from which several general conclusions may be drawn.

There is nothing in this world that I fear to say.