If you are a soldier, then "Dulcet decorum est pro patria
mori".
If you are an alcoholic, "In vino veritas".
If you are a believer of democracy, "E Pluribus Unum".
If you are a pagan cultist or druid, then "Die natalis de solis
invictus".
If you are a little morbid, then "Et in Arcadia ego".