"Facebook is at the forefront. It's the company that can fundamentally change the way information is being exchanged and processed. It can be the basis for artificial intelligence to develop over time."

"You have to travel globally today to know what's going on and maintain an edge."

"Science is one of a handful of things that defines us as a very special species. It is amazing how far we have been able to get and how accurate our predictions are. I think understanding how the universe was born is very important. It really gives us a perspective on many things."

"I think top scientists need to be compensated at a different scale in society. Somebody with experience will tell you that true scientists are not motivated by money - they are motivated by the quest itself. That is true. But I think an additional recognition will not hurt."

"I had eight brothers and sisters. Every Christmas my younger brother Bobby would wake up extra early and open everybody's presents - everybody's - so by the time the rest of us got up, all the gifts were shredded, ribbons off, torn open and thrown aside."

"To be a member of the Labor Party is to be an optimist - optimistic about the future of Australia, optimistic about the ability of government to make a difference."

"It is a steadfast truth that an hour spent in deep contemplation is worth a year of unguided wandering — an essential principle for the reflective life."

"Leisure is the time for doing something useful. This leisure the diligent person will obtain the lazy one never."