“Every experienced teacher understands the necessity of making the acquisition of the elementary and foundation principles upon which a science rests, the first business of study. If these are thoroughly mastered, subsequent progress is easy and certain.”
Founder of Popular Science Magazine, Edward Livingston Youmans (1821-1887) was a scientific writer, editor, lecturer and also a renowned author of beautifully illustrated textbooks, like this “Chemical Atlas: Or, The Chemistry of Familiar Objects” (1854).
Long out of print, a digital copy is available, today, from the Internet Archive. (Follow the link above)
Via: Brain Pickings
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