I don't know how one actually would define obscenity. I'm sure the definition is different according to the age one is living in.
“I owe much to my friends; but, all things considered, it strikes me that I owe even more to my enemies. The real person springs life under a sting even better than under a caress.”
“Jazz is the big brother of the blues. If a guy's playing blues like we play, he's in high school. When he starts playing jazz it's like going on to college, to a school of higher learning.”