"But I don't want to go among mad people," Alice remarked
"Oh, you can't help that," said the Cat:"we're all mad here. I'm mad. You're mad."
"How do you know I'm mad?" said Alice. "
You must be," said the Cat, "or you wouldn't have come here."

Или, если вкратце и по-русски.... Господа, мы все сумасшедшие, и даже не пытайтесь спорить Х)