Cogito, Ergo Sum -- Descartes (1596-1650) -- "I think, therefore I am."
>>>----- Variations on the Theme!!! -----<<<
--Jefferson (1742-1826): I feel, therefore I exist.
--Haeckel (1834-1919): Descartes' Cogito, ergo sum, applies no longer.
--Emerson (1803-1882): Man is timid and apologetic; he is no longer
upright; he dares not say "I think," "I am,"
but he quotes some saint or sage.
--Bierce (1842-1914?): I think that I think; therefore, I think that I am.
(Cogito cogito, ergo cogito sum.)
--Camus (1913-1960): I rebel, therefore I am.
--Kant (1724-1804): I ought, therefore I can.
--Tolstoy (1828-1910): I want, therefore I am.
--Valery (1871-1945): Sometimes I think: and sometimes I am.
--Fishwick (????): Dubito, ergo credo. (I doubt, therefore I believe.)
--Unamuno (1864-1936): Homo sum, ergo cogito. (I am man, therefore I think.)
--Swedenborg (1688-1772): We are, because God is.
--Parmenides (c.485 BCE): Thinking is identical with being.
--Stirner (1806-1856): Labore, ergo sum. (I work, therefore I am.)
--Arendt (1906-1975): Cogito cogitationes, ergo sum, [and], Cogito me
cogitare, ergo sum, are the correct forms of the
famous formula. (The New Yorker, 21 Nov 1977)
--Muggeridge (1903- ): Copulo, ergo sum. (Esquire, Dec. 1970)