Challenge Quote by Ban Ki-moon

We must turn the greatest collective challenge facing humankind today, climate change, into the greatest opportunity for common progress towards a sustainable future

— Ban Ki-moon

“But this isn’t just a law enforcement challenge. It is your challenge. It is our collective challenge—as lawyers, as concerned citizens, as Americans. Because…

— Historica Press

But no matter how big the effort to push a propaganda line might be, climate change is bigger. This, undoubtedly and regrettably, is the…

— Peter Garrett

The human family is at a critical juncture. The world is moving through a great transition. This transition is economic, as the digital revolution…

— Ban Ki-moon

Migration is an expression of the human aspiration for dignity, safety and a better future. It is part of the social fabric, part of…

— Ban Ki-moon

Climate change is the sine qua non of continued civilization. We either solve this, or it's lights out. Turning into a collective like that…

— Margaret D. Klein

[Several candidates talked of problems with the federal Medicare system, particularly concerns about whether it would cover prescription drug costs in the future.] We're…

— John McCain

I have had a strong and a long relationship on national security, I've been involved in every national crisis that this nation has faced…

— John McCain

What I know for sure is that all the sacrifice and challenges we face are worth it if we're creating a better future for…

— Michelle Obama

The right way to proceed when we face the kind of challenges we face is to pursue the strategy which Ronald Reagan pursued when…

— Mitt Romney

Flow is the process of achieving happiness through control over one's inner life. The optimal state of inner experience is order in consciousness. This…

— Mihaly Csikszentmihalyi

We still have a great amount of work to do in social development, including resolving one of the biggest challenges we face in this…

— Vladimir Putin