You cannot make a hawk of a buzzard.
More French Proverbs:
A hundred years a banner, a hundred years a barrow. [Signifying the changeful fortunes of great feudal families.]French
God saves the moon from the wolves.
French
Who spits against heaven, it falls on his head.
French
He who comes from afar may lie without fear of contradiction as he is sure to be listened to with the utmost attention.
French
Marriages are written in heaven.
French
There is no love without jealousy.
French