Like the moon, Satan may look beautiful, but upon a closer scrutiny that beauty begins to yield certain metaphysical flaws.

像月亮那样，撒旦看起来非常美好，但是近看,就会发现这份美丽开始显露出一些抽象的瑕疵。

耶鲁公开课 - 弥尔顿课程节选

Would Everest have been scaled, the Moon walked upon or the north and south poles reached without footwear?

BBC: Northampton to host World at Your Feet conference

In a video message to the High-level session, UN Secretary-General Ban Ki-Moon called upon the scientific community to help make sense of the complex and interconnected challenges --including climate change, the financial crisis and food, water and energy insecurity -- that threaten human well-being and civilization as we know it.

UNESCO: Irina Bokova: we must harness the power of science to empower people | United Nations Educational, Scientific and Cultural Organization

In his video message during the high-level segment, the UN Secretary-General Ban Ki-Moon called upon the scientific community to help make sense of the complex and interconnected challenges --including climate change, the financial crisis and food, water and energy insecurity -- that threaten human well-being and civilization as we know it.

UNESCO: World Water Assessment Programme (WWAP)