It takes a lot of courage to release the familiar and seemingly secure, to embrace the new. But there is no real security in what is no longer meaningful. There is more security in the adventurous and exciting, for in movement there is life, and in change there is power.
Saving our planet, lifting people out of poverty, advancing economic growth... these are one and the same fight. We must connect the dots between climate change, water scarcity, energy shortages, global health, food security and women's empowerment. Solutions to one problem must be solutions for all.
Whether it's watching a $4,000 laptop fall off the conveyor belt at airport security, contending with a software conflict that corrupted your file management system, or begging your family to stop opening those virus-carrying 'greeting cards' attached to emails, all computer owners are highly leveraged and highly vulnerable technology investors.
There's the assumption being made by the national security advisers to the Obama administration that the North Korean leadership is not suicidal, that they know they will be obliterated if they attacked the United States. But I would point that everything in South Korea and Japan is well within range of what they might want to do.
The United Nations' founders understood that decisions affecting war and peace should happen only by consensus, and with America's consent, the veto by Security Council permanent members was enshrined in the United Nations Charter. The profound wisdom of this has underpinned the stability of international relations for decades.
Owning a home is a keystone of wealth - both financial affluence and emotional security.
I am disturbed by how states abuse laws on Internet access. I am concerned that surveillance programmes are becoming too aggressive. I understand that national security and criminal activity may justify some exceptional and narrowly-tailored use of surveillance. But that is all the more reason to safeguard human rights and fundamental freedoms.
The Charter of the United Nations expresses the noblest aspirations of man: abjuration of force in the settlement of disputes between states; the assurance of human rights and fundamental freedoms for all without distinction as to race, sex, language or religion; the safeguarding of international peace and security.
I think the girl who is able to earn her own living and pay her own way should be as happy as anybody on earth. The sense of independence and security is very sweet.
New security loopholes are constantly popping up because of wireless networking. The cat-and-mouse game between hackers and system administrators is still in full swing.