You know, I don't only play for the record books.

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

That's what came from having romance in your soul. You believe in things like love at first sight and perfect presents.

When I left Tinder, I had no intention of getting back into the dating industry. What I ultimately wanted to do was start this contagious complimentary social network, where kindness was at the helm.

Innovation is a good thing. The human condition - put aside bioterrorism and a few footnotes - is improving because of innovation.

You know, I don't know if you know this about me or not, but I'm kind of a big deal.

Fortified plant-based milks are delicious and contain all the calcium, protein, and vitamin D of dairy products but with none of the cholesterol, lactose, hormones, or cruelty found in cow's milk.

I think Donald Trump believes in democracy and the right to change of power.

Rien n'est vrai que ce qu'on ne dit pas. Nothing is true except that which is unsaid.

We live so little time in this world that it is no matter how wretched and miserable we are, if it prepares us for heaven.

Science is still only a candle glimmering in a great pitch-dark cavern.

I love 'Homeland.' I think it's such a well-done, well-acted TV show.