“The history of civilization proves beyond doubt just how sterile the repeated attempts of metaphysics to guess at nature' s laws have been. Instead, there is every reason to believe that when the human intellect ignores reality and concentrates within, it can no longer explain the simplest inner workings of life' s machinery or of the world around us.”
Advice for a Young Investigator (1897), p. 2
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Santiago Ramón y Cajal 6
Spanish neuroscientist 1852–1934Related quotes

Reported in: Memorabilia Mathematica by Robert Edouard Moritz, quote #129.

As quoted in Quotations on Terrorism (2004) by Harry Kawilarang, p. 61

Source: Darwin’s Black Box: The Biochemical Challenge to Evolution (1996), page 5

Source: The Characteristics of the Present Age (1806), p. 140

“[S]cience has so changed its nature over... human history that no definition could be made to fit.”
Preface
Science in History (1954)
Source: The Mysterious Benedict Society and the Perilous Journey

“Human intellect is natures attempt at self criticism”
stray reflections[http:www.allamaiqbal.com.htm]