The full heraldic armorial achievement of David Johnston, former Governor-General of Canada:
Arms: Argent fretty Sable, on a chief Gules the Royal Crown between two open books Or;
Crest: A candle Argent enflamed and within a stand Or flanked by four closed books their spines palewise, two Gules and two Or, all set on a closed book bound Or its edge fesswise Argent;
Supporters: Two unicorns Gules, armed, maned, tufted, unguled, each charged on the shoulder with an astrolabe, and standing on a grassy mount Or set with two feet Gules winged Sable and in base a bar wavy Sable inscribed with zeros and ones Or;

Motto: CONTEMPLARE MELIORA;
Own work, based on blazon from the Canadian Heraldic Authority
User:Di (they-them)