No man has a wholly undiseased mind; that in one way or another all men are mad.

Mark Twain

More information about this quote

Topic

Dark side of human nature Human nature Insanity

Author

Mark Twain

Source

The Memorable Assassination What is Man? And Other Essays

Medium

Essay

Language

English

Time

1910 1910s 20th century

Occupation

Humorist Novelist Writer

From

United States

Authentication Score 1

Citation

Twain, Mark. "The Memorable Assassination." What is Man? And Other Essays. Harper & Brothers, 1917.

Illustrated Quote

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Related Quotes

Below are one or more quotes that share at least one tag with the quote at the top of the page

Another quote from the 1910s

Life is painting a picture, not doing a sum.

Oliver Wendell Holmes, Jr.

More information about this quote
Topic
Nature of life Life
Speaker
Oliver Wendell Holmes, Jr.
Medium
Speech
Language
English
Time
1911 1910s 20th century
Authentication Score 3
Original Citation

Holmes, Oliver Wendell, Jr. "The Class of '61." Fiftieth Anniversary of Graduation of the Harvard Class of 1861. 28 June 1911, Harvard University, Cambridge, MA, USA.

Current Citation

Holmes, Oliver Wendell, Jr. "The Class of '61." The Essential Holmes, edited by Richard A. Posner. University of Chicago Press, 1997.

Another quote about Human nature

Whoever desires to found a state and give it laws, must start with assuming that all men are bad and ever ready to display their vicious nature, whenever they may find occasions for it.

Niccolo Machiavelli

Discourses on Livy

More information about this quote
Topic
Political theory Government Human nature

Author

Niccolo Machiavelli
Source
Discourses on Livy
Genre
Political literature Philosophical literature
Language
Italian
Time
1531 1530s 16th century
Authentication Score 2
Original Citation

Machiavelli, Niccolò. Discorsi sopra la prima deca di Tito Livio [Discourses on the First Ten of Titus Livy]. Papal Privilege, 1531, bk. 1, ch. 3

Current Citation

Machiavelli, Niccolo. Discourses on Livy, translated by Julia Conaway Bondanella and Peter Bondanella. Oxford University Press, 2009, bk. 1, ch. 3.