The cassock does not make the monk.
More French Proverbs:
God helps three sorts of people: fools, children and drunkards.French
Pray, pray very much; but beware of telling God what you want.
French
It is a stupid goose that listens to the fox preach.
French
Store is no sore.
French
We must learn to walk before we can run.
French
Do not abstain from sowing for fear of the pigeons.
French