Every one has a fool in his sleeve.
More French Proverbs:
Loving with the eyes only, has blinded a lot of fools.French
Every one says: My right is good.
French
What you keep rots; what you give flourishes.
French
Wolves do not eat each other.
French
If you live in Rome, don't quarrel with the Pope.
French
Don't find fault with what you don't understand.
French