I hope that seeing the excitement of solving this problem will make young mathematicians realize that there are lots and lots of other problems in mathematics which are going to be just as challenging in the future.

When the people become involved in their government government becomes more accountable and our society is stronger more compassionate and better prepared for the challenges of the future.

There is never time in the future in which we will work out our salvation. The challenge is in the moment the time is always now.

The most glorious moments in your life are not the so-called days of success but rather those days when out of dejection and despair you feel rise in you a challenge to life and the promise of future accomplishments.

I tell girls all the time that the men that have fallen in love with me have all fallen during a man repeller stage... funny how life works out like that.

I'm calling my book series the 'with God series.' And this next 'with God' book is Friendship with God which comes out in November. This books challenges us to bring about the end of 'better' on this planet.

The challenge as we saw in the Nigerian project was to restructure the economy decisively in the direction of a modern free market as an appropriate environment for cultivation of freedom and democracy and the natural emergence of a new social order.

As a 22-year Army Veteran who served in Operations Desert Storm and Iraqi Freedom and as a Civilian Advisor to the Afghan Army in Operation Enduring Freedom I understand both the gravity of giving the order and the challenge of carrying it out.

But there is a corollary to freedom and that's personal responsibility and the real challenge is how you generate that personal responsibility without imposing it.

We chose more freedom instead of more government. We chose the principles of our founding to solve the challenges of our time. We chose a special man to lead us in a special time. We chose Mitt Romney to lead our nation.

Pervading nationalism imposes its dominion on man today in many different forms and with an aggressiveness that spares no one. The challenge that is already with us is the temptation to accept as true freedom what in reality is only a new form of slavery.

We still believe in the America that is a land of opportunity and a beacon of freedom. We believe in the America that challenges each of us to be better and bigger than ourselves.

Our single most important challenge is therefore to help establish a social order in which the freedom of the individual will truly mean the freedom of the individual.

But Australia faces additional regional and global challenges also crucial to our nation's future - climate change questions of energy and food security the rise of China and the rise of India. And we need a strong system of global and regional relationships and institutions to underpin stability.

Habaneros have a great fruity flavor but the challenge is that you have to deflect the heat in order to taste the flavor. If you don't you're dead. They should really have a warning sign on them. Deflect the habanero's heat by pairing it with sweet food.

We created a line of pet food called Nutrish that's made to human standards and 100 percent of the proceeds go to animal rescue. One of our top-tier donors is the ASPCA and they help us challenge animal shelters all across the country to get more animals placed in homes.

It's challenging but you have to at least try to eat right and exercise.

I think if you exercise your state of mind - my state of mind - is usually more at ease ready for more mental challenges. Once I get the physical stuff out of the way it always seems like I have more calmness and better self-esteem.

I certainly want campaign finance reform. I just wish this would do it in a way that would stand up to a constitutional challenge.

The vehemence with which certain critics have chosen not simply to criticize what I've written but to challenge my writing this story at all speaks of what the book is about: fear of disapproval.

I don't run away from a challenge because I am afraid. Instead I run toward it because the only way to escape fear is to trample it beneath your feet.

I had to do this very aggressive big score in a very short time and knowing that in the beginning middle and end would be this very very famous theme but I still had to weave a score around it and make it work as a score was really challenging.

The poster boy for our superabled future is Oscar Pistorius an increasingly famous South African sprinter who happens to have had both of his legs amputated below the knee. Using upside down question mark-shaped carbon fiber sprinting prosthetics called Cheetah blades Mr. Pistorius can challenge the fastest sprinters in the world.

I'm doing a new musical on Broadway which opens in October called 'The Boy from Oz ' where I play Peter Allen. For those of you who don't know he became first famous in America for marrying Liza Minelli.