A little man fells a great oak.
More French Proverbs:
The game is not worth the candle.French
The Fox's wiles will never enter the lion's head.
French
Who cannot work out his salvation by heart will not do it by book.
French
Spit not in the well, you may have to drink its water.
French
The goslings would lead the geese out to grass.
French
He is a fool who makes a mallet of his fist.
French