Keep your faith in God, but keep your powder dry.

The saying is commonly attributed to Oliver Cromwell in connection with the English Civil Wars, encapsulating the blend of religious conviction and military preparedness associated with Parliamentarian forces. However, no secure contemporary record (speech, letter, or dispatch) reliably preserves Cromwell using this exact wording. The phrase appears to have gained currency later as a proverbial summary of a “trust in Providence, but take practical precautions” attitude, and it is often retrofitted to Cromwell’s reputation as a godly commander. In short, while it fits the period’s ethos and Cromwell’s public image, the attribution is doubtful in terms of verifiable origin.

The maxim yokes piety to prudence. “Keep your faith in God” affirms reliance on divine providence, but “keep your powder dry” insists that faith is not a substitute for preparation, discipline, and material readiness. Its enduring appeal lies in rejecting false binaries: spiritual trust and practical action are presented as complementary rather than competing. In modern usage it often functions as a secular proverb—maintain optimism or principles, but also attend to concrete contingencies—making it a compact statement of pragmatic idealism and a warning against complacency disguised as devotion.

1) "Trust in God, and keep your powder dry."
2) "Put your trust in God, but keep your powder dry."