Around computers it is difficult to find the correct unit of time to measure progress. Some cathedrals took a century to complete. Can you imagine the grandeur and scope of a program that would take as long?
书籍是一种政治行动。书籍是知识。书籍是反思。书籍改变你的思想。
过去总是紧张的，未来是完美的。
The climate system is an angry beast, and we are poking it with sticks.