According to Osho, he knows so many jokes because, playfully, he says none of his past lives were English while many were Jewish—so wit is in his karmic bloodstream. He illustrates that humor lands differently across cultures—English slow to get it, Germans polite, Americans immediate, Jews critical—showing that laughter mirrors intelligence, timing, and cultural flavor.
He jokes that being a Jew in many past lives made him full of jokes, and shows how different people react to humor differently.