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Simone Weil 193
French philosopher, Christian mystic, and social activist 1909–1943Related quotes

“I doubt, therefore I think, therefore I am.”
Cogito, ergo sum.
Variant: Dubito, ergo cogito, ergo sum.
(English: "I doubt, therefore I think, therefore I am")

“I believe I am in Hell, therefore I am.”
Une Saison en Enfer http://www.mag4.net/Rimbaud/poesies/Season.html (A Season in Hell) (1873)
Variant: I believe I am in Hell, and so I am there.

“I think I am, therefore I am. I think.”
Books, Napalm and Silly Putty (2001)

“I am weak and therefore I am strong.”
As quoted in Haiping Yan's Chinese Women Writers and the Feminist Imagination, 1905–1948 (New York: Routledge, 2006), p. 8
Source: Break-Out from the Crystal Palace (1974), p. 40

Source: Sister Outsider: Essays and Speeches (1984), p. 38

Je pense, donc je suis.
Le Discours de la Méthode (1637)
Variant: I think, therefore I am.