Overheard by his nephew, Billy James, in 1902; quoted in Leon Edel, Henry James: A Life, vol V: The Master 1901-1916 (1972).
Works
Washington Square
Henry JamesRoderick Hudson
Henry James
Hawthorne
Henry James
What Maisie Knew
Henry James
The Europeans
Henry James
The Middle Years
Henry JamesThe Wings of the Dove
Henry James
The Aspern Papers
Henry James
The Spoils of Poynton
Henry James
The Awkward Age
Henry JamesThe Altar of the Dead
Henry JamesThe Next Time
Henry JamesThe Tragic Muse
Henry JamesTheatricals
Henry James
Confidence
Henry JamesDaisy Miller
Henry James
Greville Fane
Henry JamesFamous Henry James Quotes
Source: The Portrait of a Lady (1881), Ch. XXIII.
Henry James Quotes about life
“You must save what you can of your life; you musn't lose it all simply because you've lost a part.”
Source: The Portrait of a Lady
Source: The Portrait of a Lady
“She had an immense curiosity about life, and was constantly staring and wondering.”
Source: The Portrait of a Lady
William James, "Is Life Worth Living?," The Will to Believe and Other Essays in Popular Philosophy (1897).
Misattributed
Henry James: Trending quotes
“I call people rich when they're able to meet the requirements of their imagination.”
Source: The Portrait of a Lady
“If one is strong, one loves the more strongly.”
Source: The Portrait of a Lady
“Love has nothing to do with good reasons.”
Source: The Portrait of a Lady
Henry James Quotes
Source: The Portrait of a Lady (1881), Ch. XVI.
"Nathaniel Hawthorne" in Library of the World's Best Literature, vol. XII (1897), ed. Charles Dudley Warner.
Source: The Portrait of a Lady
Quoted by Edith Wharton, A Backward Glance (1934), ch. 10.
“I'm glad you like adverbs — I adore them; they are the only qualifications I really much respect.”
Letter to Miss M. Betham Edwards (5 January 1912).
Source: The Portrait of a Lady
Source: The Portrait of a Lady
Source: The Ambassadors (1903), book V, ch. II.
Context: Live all you can — it's a mistake not to. It doesn't so much matter what you do in particular, so long as you have your life. If you haven't had that, what have you had?.. What one loses one loses; make no mistake about that... The right time is any time that one is still so lucky as to have.. Live!
“And remember this, that if you've been hated, you've also been loved.”
Source: The Portrait of a Lady

Source: The Portrait of a Lady
“The right time is any time that one is still so lucky as to have.”
The Ambassadors (1903), book V, ch. II.
Context: Live all you can — it's a mistake not to. It doesn't so much matter what you do in particular, so long as you have your life. If you haven't had that, what have you had?.. What one loses one loses; make no mistake about that... The right time is any time that one is still so lucky as to have.. Live!
Source: The Portrait of a Lady
Source: Roderick Hudson http://www.gutenberg.org/files/176/176.txt (1875), ch. I: Rowland.
Source: The Portrait of a Lady (1881), Ch. LIV.
Variant: ... I am incapable of telling you not to feel. Feel, feel, I say - feel for all you're worth, and even if it half kills you, for that is the only way to live...
“Deep experience is never peaceful.”
de Mauves http://www.gutenberg.org/dirs/etext05/mauve10.txtMadame, Galaxy Magazine (February/March 1874), ch. V, reprinted in A Passionate Pilgrim (1875) and later in The Madonna of the Future and Other Tales (1879) and the New York Edition of James' works, vol. 13 (1908).
“It takes a great deal of history to produce a little literature.”
Hawthorne http://www.ibiblio.org/eldritch/hjj/nhhj1.html, (1879) ch. I: The Early Years.
“She had a certain way of looking at life which he took as a personal offense.”
Source: The Portrait of a Lady
Source: The Portrait of a Lady
“I have never allowed a gentleman to dictate to me, or to interfere with anything I do.”
Source: Daisy Miller
Source: The Portrait of a Lady
"Greville Fane" http://www.gutenberg.org/dirs/etext01/gfane10.txt, from The Real Thing: and Other Tales (1893).
Hawthorne, ch. VI: England and Italy.
“It's not my fate to give up--I know it can't be.”
Source: The Portrait of a Lady
Source: The Middle Years
“Her memory's your love. You want no other.”
Source: The Wings of the Dove
The Art of Fiction http://public.wsu.edu/~campbelld/amlit/artfiction.html (1884)