The most cunning are the first caught.
More French Proverbs:
There is no hunting but with old hounds.French
Do not let grass grow on the path of friendship.
French
You cannot be very smart if you have never done anything foolish.
French
Courage is often caused by fear.
French
Don't slaughter more pigs than you can salt.
French
I sing the song of the person whose bread I eat.
French