“Battles are lost in the same spirit in which they are won.”
Source: Leaves of Grass
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Walt Whitman 181
American poet, essayist and journalist 1819–1892Related quotes

As quoted in The Campaign of the Marne (1935) by Sewell Tyng, p. 350.
Quote

Letter to John Croker (8 August 1815), as quoted in The History of England from the Accession of James II (1848) by Thomas Babington Macaulay, Volume I Chapter 5 http://www.worldwideschool.org/library/books/hst/european/TheHistoryofEnglandfromtheAccessionofJamesIIVol1/chap5.html, p. 180.; and in The Waterloo Letters (1891) edited by H. T. Sibome

Go Rin No Sho (1645)
Context: Third is the Fire book. This book is about fighting. The spirit of fire is fierce, whether the fire be small or big; and so it is with battles. The Way of battles is the same for man to man fights and for ten thousand a side battles. You must appreciate that spirit can become big or small. What is big is easy to perceive: what is small is difficult to perceive. In short, it is difficult for large numbers of men to change position, so their movements can be easily predicted. An individual can easily change his mind, so his movements are difficult to predict. You must appreciate this. The essence of this book is that you must train day and night in order to make quick decisions.

“Pessimism never won any battle.”