Tennis is all about mental toughness and you have to keep your head in the game. I make time to relax away from competition pressures travel and intense training schedules to make sure I'm looking after myself. Taking time out with family and friends helps to maintain the work-life balance everyone needs.

Taking time to sit back and watch and think about what you've seen is important. Traveling did a great deal to me. I found that when I travel and just sit in the corner and watch a million ideas come to me.

I would love to travel around the world working for a travel company taking students abroad on cultural immersion trips.

I don't take any photographs. I travel a lot by myself and I feel weird taking photos on my own.

When you play it too safe you're taking the biggest risk of your life. Time is the only wealth we're given.

Life is a series of steps. Things are done gradually. Once in a while there is a giant step but most of the time we are taking small seemingly insignificant steps on the stairway of life.

If you start using a medication in a person with autism you should see an obvious improvement in behavior in a short period of time. If you do not see an obvious improvement they probably should not be taking the stuff. It is that simple.

I'm thankful for not ever taking anything illegal.

And what's interesting about the hybrids taking off is you've now introduced electric motors to the automobile industry. It's the first radical change in automobile technology in 100 years.

I think technology has changed America not any one organization. Technology is taking the power away from the few. There'll be a lot more choices and good people who are doing serious stuff will survive and there'll be a lot more voices and that is very healthy.