检验统计假设的问题是科学方法整体问题的一个组成部分。
Every note has to mean something.
Every material has its own intelligence.
The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly. A programmer is ideally an essayist who works with traditional aesthetic and literary forms as well as mathematical concepts, to communicate the way that an algorithm works and to convince a reader that the results will be correct.