Getting down on all fours and imitating a rhinoceros stops babies from crying. (Put an empty cigarette pack on your nose for a horn and make loud "snort" noises.) I don't know why parents don't do this more often. Usually it makes the kid laugh. Sometimes it sends him into shock. Either way it quiets him down. If you're a parent, acting like a rhino has another advantage. Keep it up until the kid is a teenager and he definitely won't have his friends hanging around your house all the time.