How posterity will laugh at us, one way or other! If half a dozen break their necks, and balloonism is exploded, we shall be called fools for having imagined it could be brought to use: if it should be turned to account, we shall be ridiculed for having doubted.
People ask me a lot of questions and I don't always have the time to stop and talk, but I do a lot of email mentorship with college students. So if I meet a college kid during a motivational speech or something like that I'll stop and say, "I see you need help in this area. Here's my email. Let me help. " So, it's just my way of giving back.