Spectemur Agendo is a Latin motto meaning Let us be judged by our acts.

Sources

It comes originally from Book XIII of Ovid's Metamorphoses where it is attributed to the hero Ajax: "Denique (quid verbis opus est?) spectemur agendo! " which is literally translated as "Finally (what is the use of words?) let us be judged by the doing [sc. deeds]!"

Zambian Institutions

In Zambia, it is the motto of a National Technical Secondary School Hillcrest National Technical Secondary School. (Let Us By Our Deeds Be Judged)

Canadian institutions

It was the ship's motto of HMCS Qu'Appelle (DDE 264), with the translation Let us be judged by our actions.

United Kingdom institutions

In the United Kingdom, it was first adopted as the motto of The Royal Dragoons (1st Dragoons) regiment of the British Army. It is the current Motto for A Company of the Royal Irish Regiment It is the civic motto of: Spectemur agendo is also the motto of: and was once the motto of Dishforth Police Training Centre. The motto was then adopted by the North Eastern Police Training Centre at Durham, which opened when Disforth closed. Spectemur Agendo was also the motto of the following institutions:

United States institutions

In the United States, it is the motto of several college student organizations including: It is the Motto found on the challenge coin of Medic One paramedics. It is the official motto of: Sweet Briar College uses it as the class motto every four years. Their translation is We are proven by our actions

Australian institutions

New Zealand Schools

South African institutions

Dutch schools

Germany

Italy

Family motto

'Spectemur agendo' is and has been used as a motto by armigerous families including the Earls of Shannon and Viscounts Clifden, and individuals including Edward Hussey-Montagu, 1st Earl Beaulieu, Thomas McClure, and Admiral Edward Thornbrough. It is also used by the German "von Hammerstein" family.