Robert Boyle — "The air is a subtle, invisible, and elastic fluid."
The air is a subtle, invisible, and elastic fluid.
The air is a subtle, invisible, and elastic fluid.
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"I have observed that mercury, when heated, will rise in a tube against its natural tendency."
"The human body is a most admirable engine."
"I have always looked upon the study of nature as a means of enlarging the human mind."
"The elements are not four, but many."
"I have often wished that I had lived in an age when philosophy was more free and less tied to the authority of the ancients."
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