The most worthless of mankind are not afraid to condemn in others the same disorders which they allow in themselves; and can readily discover some nice difference in age, character, or station, to justify the partial distinction.
Edward GibbonThe authority of Plato and Aristotle, of Zeno and Epicurus, still reigned in the schools; and their systems, transmitted with blind deference from one generation of disciples to another, precluded every generous attempt to exercise the powers, or enlarge the limits, of the human mind.
Edward Gibbon