Anger at queries about our beliefs is the body’s warning signal: here lies unexamined and probably dangerous doctrinal baggage. - Carl Sagan

Vast migrations of people — some voluntary, most not — have shaped the human condition. More of us flee from war, oppression, and famine today than at any other time in human history. As the Earth’s climate changes in the coming decades, there are likely to be far greater numbers of environmental refugees. Better places will always call to us. Tides of people will continue to ebb and flow across the planet. But the lands we run to now have already been settled. Other people, often unsympathetic to our plight, are there before us. *

For all its material advantages, the sedentary life has left us edgy, unfulfilled. Even after 400 generations in villages and cities, we haven’t forgotten. The open road still softly calls, like a nearly forgotten song of childhood. We invest far-off places with a certain romance. This appeal, I suspect, has been meticulously crafted by natural selection as an essential element in our survival.

Hanya langit. Terkadang saya merasa saya akan jatuh ke langit.