Take heed of an ox before, an ass behind, and a monk on all sides.
More French Proverbs:
In the kingdom of the blind men, those who are blessed with one eye are kings.French
No man is a prophet in his own country.
French
He who pays the piper calls the tune.
French
God helps him who helps himself.
French
I know on which side my bread is buttered.
French
It is in vain to lean the ox to the water if he is not thirsty.
French