• Chambers's Twentieth Century Dictionary
    • pl Idola —Bacon (Novum Organum, i. § 38) makes these four in number—Idols of the nation or tribe; Idols of the den or cave (fallacies due to personal causes); Idols of the forum (those due to the influence of words or phrases); Idols of the theatre (those due to misconceptions of philosophic system or demonstration)
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Chambers's Twentieth Century Dictionary
O. Fr. idole—L. idolum—Gr. eidōloneidos, what is seen—idein, to see.


In literature:

Idola of Democritus originate with Homer.
"Essays and Miscellanies" by Plutarch
Idola inanimata amant, animata odio habent, sic pontificii.
"The Anatomy of Melancholy" by Democritus Junior
I have made a list of these idola in M. R. R. ii.
"Modern Mythology" by Andrew Lang