It means "We conquer by fortitude!" or more popularly, "By endurance we conquer!"
The motto of Libertyville High School is 'Fortitudine Vincimus'.
We Conquer by Degrees
Church latin= FOR-Ti-TOO-Din-eh Vin-si-mus Real Latin= for-ti-too-din-eh wing-kee-mus Most people pronounce it the church latin way.
Fortaleza's motto is 'Fortitudine'.
The motto of Cavan is 'Fortitudine et Prudentia'.
The motto of Keetmanshoop is 'Laborando vincimus'.
In the early 1880's, perhaps 1881 or 1882
Moreton Bay College's motto is 'Fortitudine Et Spe'.
The motto of Charlotte Country Day School is 'Fortitudine Ac Pietate'.
Westcliff High School for Girls's motto is 'Fide Et Fortitudine'.
"Strong (pl.) in [the] faith".It comes from I Peter V, 8-9: "(...) adversarius vester diabolus tamquam Leo rugiens circuit, quærens quem devoret: cui resistite fortes in fide" (Vulgate), "(...) Your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour: whom resist stedfast in the faith" (KJV).
Decebal High School's motto is 'Discendo Vincimus'.