The subway in New York is particularly inviting. For a while lots of trains had the following sign: "STRANGER! if you, passing, meet me, and desire to speak to

The subway in New York is particularly inviting. For a while lots of trains had the following sign: "STRANGER! if you, passing, meet me, and desire to speak to me, why should you not speak to me? And why should I not speak to you?" From Whitman, I think. [Plus, I find it easy to start a conversation in NY subway, for some reason still beyond my understanding.]