Land began to be seen as something to be owned privately and exploited for private interests, and never was entirely reconciled with the old ideas that land should be utilized in common for the good of all. ↗
More than ever before in human history, we share a common destiny. We can master it only if we face it together. And that, my friends, is why we have the United Nations. ↗
It is very expensive to achieve high unreliability. It is not uncommon to increase the cost of an item by a factor of ten for each factor of ten degradation accomplished. ↗