87% sureThese words were traced back to where they first appeared. That source is listed below.
What turned up
From Thackeray's The Four Georges, the 'George the Second' lecture (delivered/published 1860-61). Wikiquote-sourced with named work; checked against romance-framed neighbors on the same page ('None but the brave deserve the fair') and rejected those.
Work
The Four Georges ('George the Second' lecture)
Occasion
1861 · England / United States (lecture tour) · public lecture series, later published
Sources checked
en.wikiquote.orgChecked using claude-sonnet-5, 21 August 2026sourced to The Four Georges, 'George II', 1860-61