They don't care.

Tell the first man you meet down town that he is a liar; he will tell you he knows it.

He will probably tell you you are another.

We are all alike here.

I'm a liar myself in a small way--there's a club of us, two Americans and one Englishman." "You are the frankest person I ever met, Mr.Bellingham," said Claudius, laughing.
"Some day I will write a book," said Mr.Bellingham, rising and beginning to tramp round the room.