Humor is richly rewarding to the person who employs it. It has some value in gaining and holding attention, but it has no persuasive value at all.
I'm the biggest Chekov fan - there's something that he does that not many other writers do.
Eradicate poverty. This is all that matters in my country. When I am out training I think about this a lot; when I am running it is going over in my mind. As a country we cannot move forward until we eradicate poverty.