Speculation Quotes
Browse 488 quotes about Speculation.
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Speculation Quotes
“When speculation has done its worst, two and two still make four.”
Source: Tigers & Ice: Reflections on Nature and Life
Source: The Knickerbocker: Or, New York Monthly Magazine
Source: The Great Instauration
Source: The Realm of the Nebulæ
“Time destroys the speculation of men, but it confirms nature.”
Source: Principles of Geology: Being an Attempt to Explain the Former Changes of the Earth's Surface, by Reference to Causes Now in Operation
“Surgical knowledge depends on long practice, not from speculations.”
Source: The English Works of Thomas Hobbes of Malmesbury
Source: The Origins of Modern Philosophy of Science, 1830-1914: Preliminary discourse on the study of natural philosophy
Source: The Antichrist
“The universality of tattooing is a curious subject for speculation.”
Source: An Exposition of the Thirty Nine Articles of the Church of England
“I am a firm believer, that without speculation there is no good and original observation.”
Source: Life and Letters of Charles Darwin: the Evolution
Source: Nature's Miracles: Familiar Talks on Science
Source: The Ministry of the Spirit: Selected Writings of Roland Allen
Source: Utilitarianism and On Liberty: Including 'Essay on Bentham' and Selections from the Writings of Jeremy Bentham and John Austin