You shall not, for the sake of one individual, change the meaning of principle and integrity, nor endeavour to persuade yourself or me, that selfishness is prudence, and insensibility of danger security for happiness.
– Jane Austen
Pride and Prejudice, Chapter 24. Elizabeth is arguing with her sister Jane about the marriage between Charlotte and Mr. Collins. She pours scorn on Jane’s attempts to defend the marriage. Elizabeth is resolved not to marry for mercenary motives and is opposed to marriage not based on love.