He that hunts two hares will catch neither.
More French Proverbs:
Fair is he that comes, but fairer he that brings.French
Too much water drowned the miller.
French
For sake of the knight the lady kisses the squire.
French
In your own company no one is boss.
French
At Rome do as Rome does.
French
Never look for a worm in the apple of your eye.
French