An unconscious, easy, selfish person shocks less, and is more easily loved, than one who is laboriously and egotistically unselfish. There is at least no fuss about the first; but the other parades his sacrifices, and so sells his favours too dear.

Robert Louis Stevenson (1850-1894) Scottish essayist, novelist, poet

Essay (1880-01/02?), “Reflections and Remarks on Human Life,” § 5 “Selfishness and Egoism”
    (Source)

A collection of aphorisms and musings, first published in the Edinburgh Edition of his Works, vol. 28 (1898).