You can be stubborn and successful or you can give it up a bit and change things around. For me it's important to have a bit of both.

I always believe if you're stuck in a hole and maybe things aren't going well you will come out stronger. Everything in life is this way.

There is no way around the hard work. Embrace it.

You have to believe in the long term plan you have but you need the short term goals to motivate and inspire you.

I fear no one, but respect everyone.

A man who wins, is a man who thinks he can.

Once you find that peace, that place of peace and quiet, harmony and confidence, that's when you start playing your best.

When you're good at something, make that everything

I am a very positive thinker, and I think that is what helps me the most in difficult moments.

When you do something best in life, you don't really want to give that up - and for me it's tennis.

The one thing you can do for sure is push the luck on your side

Principles can actually grow and overwhelm the things you are afraid of.

The older you get, the more you understand how your conscience works. The biggest and only critic lives in your perception of people's perception of you rather than people's perception of you.

Some guys have trouble sleeping the night before an important round. I never have. Invariably, I sleep longer and better, and have more dreams, when I'm in contention and feeling pressure.

With four pairs of shoes I can travel the world.

Zen is a very fast path to enlightenment, fast in comparison to some other paths, not fast for the person who practices it. There is no sense of speed.

The secretiveness. The stealth. Those were obviously the aspects of cocaine use I was addicted to.

Winning Democratic primaries is not a qualification or a sign of who can win the general election. If it were, every nominee would win because every nominee wins Democratic primaries.

We are tomorrow's past.

I love romantic comedies. I know how terrible they are, but I love them! And I don't think that makes me less of a feminist.

Discovery is for forward lookers.