Boxing, mixed martial arts and tennis are the hardest sports to train for.

I don't play any tournaments to come second best.

It's not the end of the world to lose.

In tennis, it is not the opponent you fear, it is the failure itself, knowing how near you were but just out of reach.

I used to think that losing made you more hungry and determined but after my success at the Olympics and the U.S. Open I realise that winning is the biggest motivation.

You have to go into each match believing you can beat all of the players.

Give it everything you've got. Leave nothing out there.

Where resources are plentiful (i.e. no constraints), you will find very little creativity. Where resources are scarce (i.e. many constraints), you will find an abundance of creativity.

I'll be supporting anyone but England.

I think most players would love, at one stage in their career, to say, 'I've been No. 1 in the world.

A believer may pass through much affliction, and yet secure very little blessing from it all. Abiding in Christ is the secret of securing all that the Father meant the chastisement to bring us.

You need to discover how to invest your life

I am slowly coming to the conclusion that it’s more important to learn to work with what you’ve got, under the circumstances you’ve been given, than wishing for different ones.

Painting is a science, and should be pursued as an inquiry into the laws of nature.

'Rabbi' means 'teacher, ' and I see the role of chief rabbi as chief teacher.

For me, as much about being a parent as it is about being a child.

A gene can be either dominant or recessive, depending on which type of gene it is.

Reality is mind-made.

In kindergarten, you can learn how to be a citizen of the world.

Love is for children. I owe him a debt.

A job is something we do to get a paycheck and pay our bills. Jobs are legitimate, at times, but work is why we are here in the universe. Work and calling often go together.