“Politics is a science. You can demonstrate that you are right and that others are wrong.”
Act 5, sc. 2
Dirty Hands (1948)
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Jean Paul Sartre 321
French existentialist philosopher, playwright, novelist, sc… 1905–1980Related quotes
《乌克兰转型中的宪政权威》 ["The authority of the constitution in a Ukraine in transition"] (2004), translated by David Ownby in Rethinking China's Rise https://books.google.co.uk/books?id=761eDwAAQBAJ, p. 27

“Nothing, that is morally wrong, can be politically right.”
No citation to Gladstone found. Hannah More https://en.wikipedia.org/wiki/Hannah_More in 1837 in Hints Towards Forming the Character of a Young Princess https://books.google.com/books?id=lv5JAAAAcAAJ&pg=PA179&lpg=PA179&dq=%E2%80%9CNothing+that+is+morally+wrong+can+be+politically+right.%E2%80%9D&source=bl&ots=ne_BjY9onV&sig=8RyZJKi_o7AvvR3N9WcQUU5Q0TI&hl=en&sa=X&ei=84mhVIufIoahyASOrYCoAw&ved=0CEMQ6AEwBw#v=onepage&q=%E2%80%9CNothing%20that%20is%20morally%20wrong%20can%20be%20politically%20right.%E2%80%9D&f=false, The Works of Hannah More, Vol. 4, said the following on p. 179: "On the Whole, we need not hesitate to assert, that in the long course of events, nothing, that is morally wrong, can be politically right. Nothing, that is inequitable, can be finally successful."
Misattributed

About changing congress http://www.youtube.com/watch?v=ac9j15eig_w (c. 1977)
Context: It's nice to elect the right people, but that isn't the way you solve things. The way you solve things is by making it politically profitable for the wrong people to do the right things.

When asked how students could aim to emulate him.
Appreciate science for what it is: Venkatraman Ramakrishnan

“Why would you want to be politically correct when you can be right?”
The Revelation Church broadcast (February 2007)

As quoted in “For Utopia, Curb State Controls”, Peggy Baker, Ames Daily Tribune (Ames, Iowa), January 23, 1970

Source: The Gospel of Sri Ramakrishna (1942), p. 514
Context: A man can reach the roof of a house by stone stairs or a ladder or a rope-ladder or a rope or even by a bamboo pole. But he cannot reach the roof if he sets foot now on one and now on another. He should firmly follow one path. Likewise, in order to realize God a man must follow one path with all his strength. But you must regard other views as so many paths leading to God. You should not feel that your path is the only right path and that other paths are wrong. You mustn't bear malice toward others.