Known sourcecanonical
"The Duke of Wellington brought to the post of first minister immortal fame,--a quality of success which would almost seem to include all others."
Benjamin Disraeli (Earl Beaconsfield) / Sybil. Book i. Chap. iii.
Bartlett's Familiar Quotations, 9th ed. (Little, Brown, 1905), public domain
Bartlett's Familiar Quotations, 9th ed. (Little, Brown, 1905), public domain