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Vigilance Quotes

Let the eye of vigilance never be closed.

Let the eye of vigilance never be closed.

Thomas Jefferson, Henry Augustine Washington (1859). “The Writings of Thomas Jefferson: Correspondence. Reports and opinions while secretary of state”, p.212

Doubt must be no more than vigilance, otherwise it can become dangerous.

"Aphorisms". Book by Georg Christoph Lichtenberg. Notebook F 53, 1799.

The price of eternal vigilance is indifference.

Marshall McLuhan (1964). “Understanding media: the extensions of man”

Eternal vigilance is the price of knowledge.

George Santayana, Martin A. Coleman (2009). “The Essential Santayana: Selected Writings”, p.537, Indiana University Press