Je was op zoek naar: semper vigilantes et mortifero (Latijn - Engels)

semper vigilantes
always on the alert;

nam semper vigilantes
not always watching

semper vigilantes super te
watching over you

semper vigilantes fortis paratus et fidelis
always watchful strong, prepared and faithful

semper vigilantes semper parati
above average

semper custodiens, semper vigilantes
all ways there, all ways watching

tacere et mortifero
be quiet and trust

et pastores erant in regione eadem vigilantes et custodientes vigilias noctis supra gregem suu
and there were in the same country shepherds abiding in the field, keeping watch over their flock by night.