Sustainable energy solutions will define the 21st century.
Technology should make us better stewards, not more efficient plunderers.
程序测试可以用来显示错误的存在，但绝不能显示它们的不存在！
People are mostly shaped by their genes and their environment, but within those constraints, they have some freedom to choose their own path.
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.