Source: Why Men Marry Bitches: A Woman's Guide to Winning Her Man's Heart
“Up, Guards, and at them again.”
Said at the Battle of Waterloo, as quoted in a letter from a Captain Batty of the Foot Guards (22 June 1815), often misquoted as "Up Guards and at 'em." Wellington himself, years later, declared that he did not know exactly what he had said on the occasion, and doubted that anyone did.
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Arthur Wellesley, 1st Duke of Wellington 45
British soldier and statesman 1769–1852Related quotes

“Irony, forsooth! Guard yourself, Engineer, from the sort of irony that thrives up here”
Source: The Magic Mountain (1924), Ch. 5
Context: Irony, forsooth! Guard yourself, Engineer, from the sort of irony that thrives up here; guard yourself altogether from taking on their mental attitude! Where irony is not a direct and classic device of oratory, not for a moment equivocal to a healthy mind, it makes for depravity, it becomes a drawback to civilization, an unclean traffic with the forces of reaction, vice and materialism.

“Ladies know what to guard against, because they read novels that tell them of these tricks…”
Source: Tess of the D'Urbervilles

The Army Times (6 September 2004) http://www.armytimes.com/story.php?f=1-ARMYPAPER-323322.php

Remarks about the Committee to Re-elect the President, as quoted in The New York Times (31 March 1974)
1970s

Memoirs of Childhood and Youth (1924)
Context: One thing that specially saddened me was that the unfortunate animals had to suffer so much pain and misery. The sight of an old limping horse, tugged forward by one man while another kept beating it with a stick to get it to the knacker's yard at Colmar, haunted me for weeks. It was quite incomprehensible to me — this was before I began going to school — why in my evening prayers I should pray for human beings only. It was quite incomprehensible to me — this was before I began going to school — why in my evening prayers I should pray for human beings only. So when my mother had prayed with me and had kissed me good-night, I used to add silently a prayer that I had composed myself for all living creatures. It ran thus: "O, heavenly Father, protect and bless all things that have breath; guard them from all evil, and let them sleep in peace."

'Comrades in Struggle' (June 1938).