The harder I practiced, the luckier I got.

I think that if people would be willing to grow some of their own food or eat locally grown organic foods on a regular basis we could significantly decrease the amount of harmful chemicals we pump into our soil every day.

When travelling, I make a point of eating a proper diet no matter where I am in the world. It is getting much easier to eat a vegetarian or vegan based diet.

First, educate yourself about what a vegan diet entails and why it is beneficial to your health. You need to understand and embrace the philosophy or you will not be able to make such a drastic dietary change. Secondly, make the change over time. Don't try and "go cold turkey"; you will shock your system and you will develop cravings that you may not be able to fight off. If you take your time and let your body adjust you will be eating a completely different diet before you realize it.

You must work very hard to become a natural golfer.

Wind is part of the British Open. It is an examination and it took me a long time to pass the examination. Eighty per cent of the fellows out there have not passed the test.

You can always speak with great authority on how well you played today, but never on how you'll play tomorrow.