Je was op zoek naar: fide robur (Latijn - Engels)

in fide robur
strength stands firm

robur
robur, roboris oak (tree/timber/trunk/club/post/cell); tough core; resolve/purpose; b:tetanus; strength/firmness/solidity; vigor, robustness; potency, force, effectiveness; military strength/might/power; heart, main strength, strongest element; mainstay/bulwark, source of strength; stronghold, position of strength;

fide
et labore

quercus robur
common oak

bona fide
in good faith

duce fide,
leadership through faith

fide sed vide
but be careful, the faith,

da robur fer auxilium
usque

fides et robur fortitufo
faith and the strength fortitudo

robur corporis fortitudo mentis
robvr body of fortitvdo