It is not the cowl that makes the friar.
More Dutch Proverbs:
Don't buy a pig in a poke.Dutch
Daughters are brittle ware.
Dutch
He who is surety for another, pays for him.
Dutch
What lay hidden under the snow cometh to light at last.
Dutch
Behind every mountain lies a vale.
Dutch
Don't throw away your old shoes until you have got new ones.
Dutch