There are some men whom you need only …

There are some men whom you need only look at to distrust them, for they are restless behind and threatening in front.There is something of the unknown in them.We can no more answer for what they have done than for what they will do.The shadow they have in their glance denounces them.Merely by hearing them say a word or seeing them make a gesture, we get a glimpse of dark secrets in their past, dark mysteries in their future.

Les Miserables by Victor Hugo