Serena's always been one of the best, and she will forever be one of the best tennis players in women's tennis.

I think my biggest thing is learning when to hit which serve when, not doing the exact same thing over and over. Because O.K., great, it's 120 miles per hour, but they're standing right there, and they just block it back.

It's one of those things where eventually in your career, it kind of switches from being the young up-and-comer to someone who has had results and the other person is trying to raise their level to play. I think it's a privilege.

Setting a goal, accomplishing it, and feeling good about yourself can help build confidence and perseverance.

The only thing I shall talk about is my sporting achievements at school. My primary sporting achievement at school was that I dodged games for two complete years and was well through the third year before they discovered that I had completely avoided all games.

Many people decide to jump from niche to niche, as they cannot find success immediately with the niche that they have chosen for their online business.

In business, success often depends upon the relative age of your ideas.

I passed my classes because I displayed effort, not because I learned math. But how can we help young people understand life rarely gives partial credit for effort, especially if that effort doesn't lead to understanding or success?