Tread on a worm and it will turn.
More French Proverbs:
When a man finds no peace within himself, it is useless to look for it elsewhere.French
The last comers are often the masters.
French
A healthy man is a successful man.
French
An ounce of favour goes further, or is worth more, than a pound of justice.
French
He lies like a toothdrawer.
French
For some of us happiness comes while we sleep.
French