This is a listing of year mottos, which are displayed on a bar on the upper left sleeve. Before the class of Sci' 99, the EngSoc motto was worn in this location.
| Year | Motto | Translation |
|---|---|---|
| '91-'92 | Sesquicentennial | Commemorating 150th Year of the University |
| '93 | Centennial | 100 Years of Applied Science at Queen's |
| '99 | Humaniores Quam Humani
Humaniores Quam Humni (typo) | More Human Than Human
More Human Than Dirt (typo) |
| '00 | Si Id Ungues Veniemus | If You Grease It, We Will Come |
| '01 | Excribo Ergo Sum | I Blast, Therefore I Am |
| '02 | Vobiscum Sabulum Sit | May The Quartz Be With You |
| '03 | Pauci Insignes Purpurati | The Few, The Proud, The Purple |
| '04 | Veni Ascendi Vici | We Came, We Sport Humped, We Conquered |
| '05 | Icio Ergo Sum | I Slam, Therefore I Am |
| '06 | Invenite Aut Facite | Find A Way, Or Make One |
| '07 | Pellibus Uniti Pulastis | United We Slam |
| '08 | Purpureos Fortuna Adiuvat | Fortune Favours The Purple |
| '09 | Ostro Non Densius | Gentian Is Thicker Than Water |
| '10 | Liber Quod Purpurpeus | Live Free Or Dye Purple |
| '11 | Fortibus Sanguis Purpureus | The Strong Bleed Gentian |
| '12 | Durior Citior Purpureus | Harder, Better, Faster, Purple |
| '13 | Noctu Laedemus In Inferno | Tonight We Slam In Hell |
| '14 | Solum Haec Arma Gero | I Need Only This Armour |
| '15 | Nos Impossibilia Perficimus | Impossible is What We Do |
| '16 | Gentiana Evanescit, Legantia Permanet | Gentian Fades, Legacy Remains |
| '17 | Honor Super Famam, Ferrum Super Aurum | Honour Over Glory, Iron Over Gold |
| '18 | Tunsi In Igne, Alligati Ferro | Forged in Fire, Bound by Iron |
| '19 | Ferro ducimus, purpureum sanguinem fundimus | By iron we lead, in gentian we bleed |
| '20 | Animo ferreo aureoque corde | With wills of iron and hearts of gold |
| '21 | Futura Ferrea Fabricanda | The Future, like Iron, is Ours to Forge |
| Arts '23+ | Ineptum, tam plane inepta | Silly, So Very Very Silly |
