“Self-interest must be sacrificed before one can enter through the door of philosophy.”
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Mwanandeke Kindembo 1044
Congolese author 1996Related quotes

“No one enters heaven except through philosophy.”
Annotationes in Marciam, no. 64; translation from John Joseph O’Meara Eriugena (Oxford: Clarendon Press, 1988) p. 30.
Original: (la) Nemo intrat in caelum nisi per philosophiam.

“Self-sacrifice? But it is precisely the self that cannot and must not be sacrificed.”
Source: The Fountainhead

“English: "I entered through the big door and left through the big door."”
"Entré por la puerta grande y salí por la puerta grande"
Attributed

As quoted in The Bright Side of Billy Wilder, Primarily (1970) by Tom Wood, p. 20

From a speech he delivered in Bankstown, New South Wales on the 24th of February 1993
Source: http://electionspeeches.moadoph.gov.au/speeches/1993-paul-keating

The Ayn Rand Column ‘Introducing Objectivism’

The Rubaiyat (1120)