"he reproached the modern scientific thought because it “got entangled in ions and electrons”."

"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."

"There are no grounds to think that knowledge and our mastery over matter have bounds."

"The periodic law is one of the most important generalizations in chemistry."

"There is nothing in science that cannot be explained to a barmaid."