I have a neighbor who knows 200 types of wine. ... I only know two types of wine - red and white. But my neighbor only knows two types of countries - industrialized and developing. And I know 200.

Most people are not updated. 50 years ago 1 in 5 children died before age 5, now only 1 in 20!

Beyond 2050 the world population may start to decrease if women across the world will have, on average, less than 2 children. But that decrease will be slow.

Avoid war, because that always pushes human beings backward.

Religion has very little to do with the number of babies per woman. All the religions in the world are fully [able] to maintain their values and adapt to this new world.

Eighteen fifty-eight was a year of great technological advancement in the West. That was the year when Queen Victoria was able, for the first time, to communicate with President Buchanan, through the Transatlantic Telegraphic Cable. And they were the first to ‘Twitter’ transatlantically.

Half of the energy is used by one seventh of the world's population.