In Blood Bound after Hermione is nominated and recognized as a Lady, the magic involved gives her a family crest and the motto ' Magia invicti mens exstitisset, in defensionem amici semper' ('Magic without equal, mind without peer, used always in the defense of friends and family').

In Harry Potter and the Return of Heritage Sirius states that the Potter family motto is ' Mors omnes amici cognoscat oportet' ('Death is a friend we all must acquaint').

In Harry Potter and the Cursed Summer a portrait states that the Potter family motto is ' Beatus exsisto audacia' ('Blessed be the daring').

In Origins, a Mass Effect/ Star Wars / Borderlands/ Halo Massive Multiplayer Crossover, the project to resurrect Commander Samantha Shepard yet again is called ' Durius, Melius, Velocius, Fortior' (' Harder, better, faster, stronger').

In Fixing Past Mistakes the motto of a school Snape enrolls Harry in is ' Non eos tantum, qui ausus est nimis valde, consequi possit' ('Only those who dare to fail greatly can ever achieve greatly').

To Absent Friends borrows a leaf out of Discworld the USS Bajor's motto is apparently ' Morituri Nolumus Mori' (roughly 'We who are about to die don't want to').

In chapter four of the Harry Potter Marauder-era fanfiction Remus Lupin: BAMF, Sirius tells Remus that the Marauders' motto is ' Ita erat quando hic adveni' ('It was that way when I got here').

L's motto in Kira, Sweetheart is ' Carpe saccharum'.

Sirius: 'I'll either find a way or make one' is the rough translation.

' Malo Mori Quam Foedari' is the motto of the Penny Murderer in Brody's Ghost, translated in-story as 'Death before disgrace.' He applies it to his victims instead of himself, however.

In The DCU, the Antimatter Universe counterpart of the Justice League, the Crime Syndicate of Amerika, has as its motto Cui Bono? ('Who Profits?') In the New 52, it's ' Aeternus Malum' (' Forever Evil').

It was also one of Aleister Crowley's magical mottoes. But in Latin, you can write 'u' as 'v', so in 'Faust' the word was written as 'vniversvm', to keep all the V's intact. It has an error though, as Latin has no such word as 'veniversum', the correct would be 'universum'. From Faust, as told immediately afterwards, and quite an appropriate motto for V. V for Vendetta, in both book and movie, gives us ' Vi Veri Veniversum Vivus Vici' ('By the power of truth I, while living, have conquered the universe').

Carmine Falcone's grave in Batman: Dark Victory bears the epitaph ' Veni Vidi Vici', or 'I came, I saw, I conquered.' Chief O'Hara pronounces it 'Vinny Veedee Vicky.'.The title of the story comes from another common Latin phrase: ' Quis custodiet ipsos custodes' ('Who watches the watchmen?').' Per Dolorem Ad Astra', to the stars, through suffering.Their Marvel 1602 counterpart, Master Carlos Javier's Institute, takes the motto ' Omnia mutantur, et nos mutamos con illis' ('All things change, and we change with them').Xavier Institute has ' Mutatis Mutandis' (roughly, 'having changed the things that were to be changed', but obviously playing off the word 'mutant').

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