From the collection of GMLS
Lapis reprobatus caput anguli
(the) stone (which was) rejected (has become) the head (stone) of the corner
Semper anticus
Always forward
Deus meumque jus
God and my right
Quaecumque vera doce me
Teach me whatsoever is true
Memento mori
Remember you must die
Et lux in telebris lucet
And light shines in the darkness