“I am determined that nothing but the deepest love could ever induce me into matrimony. [Elizabeth]”
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Jane Austen 477
English novelist 1775–1817Related quotes
p. 11 https://books.google.com/books?id=sUTZCwAAQBAJ&pg=PA11
Source: 1990s, The Ragamuffin Gospel (1990)

“There is nothing that you could say to me now that I could ever believe.”
Melissa Kite, "Revealed: Brown's furious response to Blair after PM reneged on his promises to quit last year", Sunday Telegraph, 9 January 2005, p. 1.
According to Brown's biographer Robert Peston, Brown made this remark to Tony Blair in October 2004 when Blair announced his intention to fight for a third term of government, after telling Brown he intended to stand down.
Attributed

“I am determined to practice deep listening. I am determined to practice loving speech.”
Source: True Love: A Practice for Awakening the Heart

“Much suspected by me,
Nothing proved can be,
Quoth Elizabeth prisoner.”
Written with a diamond on her window at Woodstock (1555), published in Acts and Monuments (1563) by John Foxe.

“[Matrimony] is the grave of love.”
Memoirs (trans. Machen 1894), book 5 (In London and Moscow), chap. 8 http://etext.library.adelaide.edu.au/c/casanova/c33m/chapter106.html (“She won’t believe it, as she knows my horror for the sacrament of matrimony.” “How is that?” “I hate it because it is the grave of love.”)
Referenced

“Nothing of me is original. I am the combined effort of everybody I've ever known.”
Variant: Nothing of me is original. I am the combined effort of everyone I've ever known.
Source: Invisible Monsters