When a thief kisses you, count your teeth

The wise man, even when he holds his tongue, says more than the fool when he speaks

A daily guest is a thief in the kitchen

Don't count your chickens before they are hatched

It takes a thief to catch a thief

I could see it under the heavy moustache, was fixed and rather cruel-looking, with peculiarly sharp white teeth; these protruded over the lips, whose remarkable ruddiness showed astonishing vitality in a man of his years.