最好的模型是能够解释数据的最简单模型。
We stopped looking for monsters under our bed when we realized that they were inside us.
这是真的:要欺骗一个诚实的人是很难的。
Why worry? If you’ve done the very best you can, worry won’t make it any better.
The source of every crime, is some defect of the understanding; or some error in reasoning; or some sudden force of the passions.