Acrobatics with a Giant Circle

What gives you great ideas?  Do you have to see someone else do something or can you just look at something and get ideas?  How long do you have to try things before you realize you might be great at something?

Last Second Basketball Shot

When was the last time you risked something?  Did you expect the impossible?  Why is it that we always "shoot" for something amazing (like half-court shots) and when we don't make it we still keep trying?  What drives us to keep trying the impossible?