Since there are already quite some "motto's" from the Netherlands, I'll contribute one from Europe:

1. "Honi soit qui mal y pense" - the Order of the Garter
2. "Bis vincit qui se vincit" - Bysse
3. "Virtus Unita Fortior" - Principality of Andorra
4. "Virtute et valare luceo non uro" - Mackenzie
5. "Je Maintiendrai" - Dutch Royal House of Orange-Nassau
6. "Ubique quo fas et gloria ducunt" - Royal Regiment of Artillery
7. "Each Endeavouring, All Achieving" - Antigua and Barbuda
8. "A coeur valliant, rien impossible."- Hartcup
9. "Heldhaftig, Vastberaden, Barmhartig" ("Valiant, Determined, Compassionate") - city of Amsterdam
10. "Vincula de linguae vel tibi linguae dabit" - Hoskyns
11. "In varietate concordia" (Unity in Deversity) - Europian Union