Our goal is for Khan Academy's software and content to be the best possible learning experience and for it to be for everyone, for free, forever. This is why we are a non-profit, and it's also what drives our small team and supporters.

Our goal with Khan Academy Kids is to inspire a life-long love of learning.

I hope I could spend the rest of my life learning and communicating.

Can watching video lessons or using interactive software make people smart? No. But I would argue that it can do something even better: create a context in which people can give free rein to their curiosity and natural love of learning so that they realize they're already smart.

Kim Kardashian's marriage to Kris Humphries famously lasted 72 days, and was reported in the tabloids as being all about the big bucks paid by magazines for the bridal photos: it is a spectacle of a bride-to-be as entrepreneur, not as romantic heroine; the groom, in this scenario, is nothing but a prop.

I want to have a career that evolves as I go on.

When you go through a significant injury and have a major career change, you truly do go one year at a time, and you don't look past what's going on now, because you are not sure what's going to happen. Tomorrow is not promised.

It wasn't easy to get the family to this point. I had to work two jobs. I had all nine kids. I stayed there with them and got them all into show biz. I don't care what anyone else said, I did my job.