I have to fit holidays around tournaments, particularly the grand slams, in Melbourne, Paris, London and New York.

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

Every book is a world.

Adam was the only man who when he said a good thing knew that nobody had said it before him.

The world is a colony of the US. The twentieth century was the US's century.

Though there is growing division among the Ukrainian military ranks as to loyalty in this revolution, the possibility of violence looms over the entire situation.

My challenge as university minister is about getting right balance of teaching and research.

I've got miracle lyrical capability all in me / With the agility to escape a killer bee colony.

France was an occupied country, a country that surrendered and was left without the right to choose.

If God didn't want man to hunt, He wouldn't have given us plaid shirts.

Quality without science and research is absurd. You can't make inferences that something works when you have 60 percent missing data.

I love this country because I didn't always have it. Freedom, food, water that is clean, Constitution - these are not things I take for granted.