There's no harm in talking to yourself, but try to avoid telling yourself jokes you've heard before.

The hand can be quicker than the eye, and the mouth can be quicker than the brain.

I'm just moving clouds today, tomorrow I'll try mountains.

The funniest thing about some people is that they have no sense of humor.

I want to reach your mind - where is it currently located?

Beware! I'm acting under the influence of human nature.

Just when I nearly had the answer, I forgot the question.