The spirit of scientific inquiry must be cultivated in all children.
Periodic table of elements
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"It is useful in this sense to make a clear distinction between the conception of an element as a separate homogenous substance and as a material but invisible part of a compound."
Philosophical"I believe in the power of observation and experiment above all else."
Strange & Unusual"I have achieved an inner freedom."
Philosophical"The future of the Russian nation lies in the hands of the schoolmaster and the priest."
Controversial"Refrain from illusions, insist on work, and not on words, patiently search divine and scientific truth."
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