Trust in God and keep your powder dry

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"Trust in God and keep your powder dry" is a maxim attributed to Oliver Cromwell, but which first appeared in 1834 in the poem "Oliver's Advice" by William Blacker with the words "Put your trust in God, my boys, and keep your powder dry!"[1] The poem is a dramatic representation of Cromwell addressing his army during the invasion of Ireland. Edward Hayes, who edited the anthology in which the work first appeared, calls it a "well-authenticated anecdote of Cromwell."[1]

The phrase means to "always be prepared to take action yourself if necessary".[2] Bergen Evans suggested that the phrase combined piety and practicality.[3] The book of Proverbs offers up the same idea in Proverbs 21:31, "The horse is made ready for the day of battle, but victory rests with the Lord."

The second half the phrase is often used by itself, and forms the title of the 1945 film Keep Your Powder Dry as well as Margaret Mead's 1942 book And Keep Your Powder Dry: An Anthropologist Looks at America.

See also[edit]


  1. ^ a b "Fitz Stewart" (1834). Oliver's Advice." The Dublin University Magazine
  2. ^ Manser, Martin H. (2007). The Facts on File Dictionary of Proverbs. Infobase Publishing. p. 229. Retrieved 27 November 2015.
  3. ^ Safire, William (23 February 1997). "Keeping Your Powder Dry". New York Times. Retrieved 27 November 2015.