On this day I remember words that have stayed with me since my childhood and which matter a great deal to me today, my school motto: "I will try my outmost". This is my promise to all of the people of Britain and now let the work of change begin.
Notes from Wikiquote
Statement outside 10 Downing Street immediately after becoming Prime Minister. The motto referred to is an English translation of the Latin Usque conabor. Brown said "outmost", as spelled on the BBC News transcript, but other sources usually give "utmost".