Certain characteristic properties of elements can be foretold from their atomic weights.

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?

The elements which are the most widely diffused have small atomic weights.

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.

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.

Certain characteristic properties of elements can be foretold from their atomic weights.

I have achieved an inner freedom.