"Success is not final, failure is not fatal: it is the courage to continue that counts."

"Simplicity is the ultimate sophistication."

"A winner is a dreamer who never gives up."

"Vision without execution is fantasy; execution without vision is chaos. Reflect upon this whenever doubt clouds your horizon."

"Personally, I rather look forward to a computer program winning the world chess championship. Humanity needs a lesson in humility."

"Better keep yourself clean and bright; you are the window through which you must see the world."

"A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find that after years of struggle that we do not take a trip; a trip takes us."

"I am an optimist about the UK. We have been involved in trade with our European partners, which we will always be doing whatever this relationship is. We are a member of the EU. That gives us benefits. But we have to figure out where that is going. In the world, we are a global trader already."