Vous avez cherché: ardua per praeceps gloria vadit iter (Latin - Anglais)

ardua per preceps gloria vadit iter
glory goes the way by taking the lead

ungulae equorum ceciderunt fugientibus impetu et per praeceps ruentibus fortissimis hostiu
then were the horsehoofs broken by the means of the pransings, the pransings of their mighty ones.

et ait illis ite at illi exeuntes abierunt in porcos et ecce impetu abiit totus grex per praeceps in mare et mortui sunt in aqui
and he said unto them, go. and when they were come out, they went into the herd of swine: and, behold, the whole herd of swine ran violently down a steep place into the sea, and perished in the waters.