“Bringing together the interdisciplinary components and getting them working truly in collaboration is a key challenge.”

“Life, that dares send / A challenge to his end, / And when it comes say, `Welcome, friend!'”

“It was good to get on the grass and into a game situation again. Our first game of the year was a challenge.”

“This is the most significant energy crisis in 30 years. Its going to be a particularly challenging season.”

“This is a great way to challenge the community to try and make a difference and to make the town drug free.”

“The cast is absolutely up to the challenge. I feel that I have a very strong cast.”

“I explored the more technical side of moviemaking. It's so cool and more challenging.”

“This is a huge boost for the Global Education Challenge and great news for the children the race will reach out to.”

“Our challenges in China are the value in terms of appreciating these pieces of technology, and how much they pay for it.”

“That's our challenge over the next three years ? to find the money to make it work.”