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A motto (Italian for pledge, sentence; plural: mottoes (always listed first) or also mottos) is a phrase meant to formally summarize the general motivation or intention of a social group or organization. A motto may be in any language, but Latin is the most used in the Western world. The local language is usual in the mottoes of governments. In informal ways, it can be a rule or slogan someone follows, or lives their life by.
In heraldry, a motto is often depicted on the shield or else above the crest as in Scots heraldry.
In English heraldry mottoes are not granted with armorial bearings, and may be adopted and changed at will. In Scottish heraldry mottoes can only be changed by re-matriculation, with the Lord Lyon King of Arms. Although very unusual and perhaps outside standard heraldic practice, there are some examples of the particular appearance of the motto scroll and letters thereon being blazoned.
In literature, a motto is a sentence, phrase, poem, or word prefixed to an essay, chapter, novel, or the like suggestive of its subject matter. It is a short, suggestive expression of a guiding principle for the written material that follows.
See also 
- List of Latin phrases
- List of mottos
- United in diversity
- United we stand, divided we fall
|Wikimedia Commons has media related to: Mottos|
- "Motto". Merriam-Webster. Retrieved 31 January 2011.
- "Motto". Oxford University Press. Retrieved 31 January 2011.
- Innes-Smith, Robert (1990). An Outline of Heraldry in England and Scotland. Pilgrim Press. p. 14. ISBN 0-900594-82-9. "Mottoes are not necessarily hereditary and can be adopted and changed at will."
- "[[USS Winston S. Churchill (DDG-81)]]". Archived from the original on 2007-10-10. Retrieved 2007-10-23. Wikilink embedded in URL title (help)