“Climate change is destroying our path to sustainability. Ours is a world of looming challenges and increasingly limited resources. Sustainable development offers the best chance to adjust our course.”

For my generation, coming of age at the height of the Cold War, fear of nuclear winter seemed the leading existential threat on the horizon. But the danger posed by war to all humanity-and to our planet-is at least matched by climate change.

Millions of people in nearly 80 countries still live in fear of landmines and explosive remnants of war, which take an unacceptable toll on lives and limbs, and people’s livelihoods

I call for the need of world leaders to address climate change and reduce the increasing risk of disasters- and world leaders must include mayors, townships and community leaders.

Now, more than ever, we need to connect the dots between climate, poverty, energy, food and water. These issues cannot be addressed in isolation.

The taking of life is too absolute, too irreversible, for one human being to inflict on another, even when backed by legal process. Where the death penalty persists, conditions for those awaiting execution are often horrifying, leading to aggravated suffering.

Nuclear terrorism is one of the most serious threats of our time. Even one such attack could inflict mass casualties and create immense suffering and unwanted change in the world forever. This prospect should compel all of us to act to prevent such a catastrophe.

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

Nothing is more shameful than attacking sleeping children.

It is but a short step from hunger to starvation, from disease to death.

Sustainable development is the pathway to the future we want for all. It offers a framework to generate economic growth, achieve social justice, exercise environmental stewardship and strengthen governance.

We hold the future in our hands, together, we must ensure that our grandchildren will not have to ask why we failed to do the right thing, and let them suffer the consequences.

National boundaries these days are not that important because of transformative technological development. Now we are talking about the fourth industrial revolution.

Climate change…is, simply, the greatest collective challenge we face as a human family.

We have all heard of the web of life. The way we live threatens to trap us in a web of death.

You have to take ownership and leadership of tomorrow. For that to be possible, you have to strengthen your capacity and widen your vision as a global citizen.

The future of any leader or political systems is to be determined by the people of the country.

To portray a maniac offers a compelling challenge.

Confronted with a challenge to distill the secret of sound investment into three words, we venture the motto, Margin of Safety.

The most complex challenge for an actor is the ability to give dimension to the story from the time that it happened, not from the present.

Academic freedom is being lost by a great many people who dare to challenge Darwinism. That’s a terrifying situation. That’s contrary to the principles of science.

I’m a total luddite when it comes to technology. Pretending I know how to use a computer is a challenge.

Sometimes our body is willing, but our mind is weak. Sometimes our mind is willing, but our body is weak. Do not be afraid. Strive to extend your capacity but do not be disappointed with yourself. What does not challenge us, cannot change us.

Some people are quick to challenge others but refuse to look in the mirror and challenge themselves.

She (a woman politician) will be challenging a system that is still wedded to militarism and that saves billions of dollars a year by underpaying women and using them as a reserve cheap labor supply